Finding the Fourth Proportional to 722,453.19, 996,717.74 and 467,944.71
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Solution
The fourth proportional to 722,453.19, 996,717.74 and 467,944.71 is: 645,590.33
Step by Step Solution
- Step 1: Write the proportion equation
722,453.19 : 996,717.74 = 467,944.71 : x - Step 2: Convert to fraction form
722,453.19/996,717.74 = 467,944.71/x - Step 3: Cross multiply
722,453.19x = 996,717.74 × 467,944.71 - Step 4: Simplify right side
722,453.19x = 466,408,791,456.43 - Step 5: Solve for x
x = 466,408,791,456.43/722,453.19 - Step 6: Final answer
x = 645,590.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.