Home / 639,177.40-958,516.89-239,600.13

Finding the Fourth Proportional to 639,177.40, 958,516.89 and 239,600.13

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Solution

The fourth proportional to 639,177.40, 958,516.89 and 239,600.13 is: 359,306.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,177.40 : 958,516.89 = 239,600.13 : x
  2. Step 2: Convert to fraction form
    639,177.40/958,516.89 = 239,600.13/x
  3. Step 3: Cross multiply
    639,177.40x = 958,516.89 × 239,600.13
  4. Step 4: Simplify right side
    639,177.40x = 229,660,771,451.20
  5. Step 5: Solve for x
    x = 229,660,771,451.20/639,177.40
  6. Step 6: Final answer
    x = 359,306.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.