Home / 657,834.96-907,827.18-386,098.86

Finding the Fourth Proportional to 657,834.96, 907,827.18 and 386,098.86

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Solution

The fourth proportional to 657,834.96, 907,827.18 and 386,098.86 is: 532,825.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,834.96 : 907,827.18 = 386,098.86 : x
  2. Step 2: Convert to fraction form
    657,834.96/907,827.18 = 386,098.86/x
  3. Step 3: Cross multiply
    657,834.96x = 907,827.18 × 386,098.86
  4. Step 4: Simplify right side
    657,834.96x = 350,511,039,275.02
  5. Step 5: Solve for x
    x = 350,511,039,275.02/657,834.96
  6. Step 6: Final answer
    x = 532,825.19

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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.