The study aims to examine the individual and synergetic contribution of financing, investment and dividend decisions to firm growth; as one of firm's goals aimed to achieve, by investigating a wide range of short- and long-term financial decisions, considering the different levels (four quartiles) of firm growth levels. Additionally, this study aims to determine the relative importance (contribution) of the three decisions for monitoring different levels of firm growth, applied on non-financial firms listed in the Egyptian Exchange; 182 firm, from 2000 up to 2010. This study applied new methodology by developing an accounting equation to measure this relation, the results of this study show differences in independent and synergetic relation of those three decisions and firm growth. In addition to that, the firm's financial decisions behave differently according to current and prospective firm growth level. Although, the relative importance of financing, investment and dividend decisions differ according to the level of growth of the firm.