Home / 625,314.23-862,936.64-338,834.85

Finding the Fourth Proportional to 625,314.23, 862,936.64 and 338,834.85

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Solution

The fourth proportional to 625,314.23, 862,936.64 and 338,834.85 is: 467,593.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,314.23 : 862,936.64 = 338,834.85 : x
  2. Step 2: Convert to fraction form
    625,314.23/862,936.64 = 338,834.85/x
  3. Step 3: Cross multiply
    625,314.23x = 862,936.64 × 338,834.85
  4. Step 4: Simplify right side
    625,314.23x = 292,393,006,973.90
  5. Step 5: Solve for x
    x = 292,393,006,973.90/625,314.23
  6. Step 6: Final answer
    x = 467,593.72

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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.