Home / 624,654.18-862,023.13-338,174.39

Finding the Fourth Proportional to 624,654.18, 862,023.13 and 338,174.39

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Solution

The fourth proportional to 624,654.18, 862,023.13 and 338,174.39 is: 466,680.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,654.18 : 862,023.13 = 338,174.39 : x
  2. Step 2: Convert to fraction form
    624,654.18/862,023.13 = 338,174.39/x
  3. Step 3: Cross multiply
    624,654.18x = 862,023.13 × 338,174.39
  4. Step 4: Simplify right side
    624,654.18x = 291,514,147,463.26
  5. Step 5: Solve for x
    x = 291,514,147,463.26/624,654.18
  6. Step 6: Final answer
    x = 466,680.86

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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.