Home / 657,834.80-907,826.92-386,098.68

Finding the Fourth Proportional to 657,834.80, 907,826.92 and 386,098.68

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Solution

The fourth proportional to 657,834.80, 907,826.92 and 386,098.68 is: 532,824.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,834.80 : 907,826.92 = 386,098.68 : x
  2. Step 2: Convert to fraction form
    657,834.80/907,826.92 = 386,098.68/x
  3. Step 3: Cross multiply
    657,834.80x = 907,826.92 × 386,098.68
  4. Step 4: Simplify right side
    657,834.80x = 350,510,775,480.47
  5. Step 5: Solve for x
    x = 350,510,775,480.47/657,834.80
  6. Step 6: Final answer
    x = 532,824.92

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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.