Finding the Fourth Proportional to 974,481.12, 1,344,793.92 and 544,785.12
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Solution
The fourth proportional to 974,481.12, 1,344,793.92 and 544,785.12 is: 751,809.04
Step by Step Solution
- Step 1: Write the proportion equation
974,481.12 : 1,344,793.92 = 544,785.12 : x - Step 2: Convert to fraction form
974,481.12/1,344,793.92 = 544,785.12/x - Step 3: Cross multiply
974,481.12x = 1,344,793.92 × 544,785.12 - Step 4: Simplify right side
974,481.12x = 732,623,717,082.47 - Step 5: Solve for x
x = 732,623,717,082.47/974,481.12 - Step 6: Final answer
x = 751,809.04
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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.