Home / 639,553.60-958,824.33-240,149.88

Finding the Fourth Proportional to 639,553.60, 958,824.33 and 240,149.88

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Solution

The fourth proportional to 639,553.60, 958,824.33 and 240,149.88 is: 360,034.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,553.60 : 958,824.33 = 240,149.88 : x
  2. Step 2: Convert to fraction form
    639,553.60/958,824.33 = 240,149.88/x
  3. Step 3: Cross multiply
    639,553.60x = 958,824.33 × 240,149.88
  4. Step 4: Simplify right side
    639,553.60x = 230,261,547,790.58
  5. Step 5: Solve for x
    x = 230,261,547,790.58/639,553.60
  6. Step 6: Final answer
    x = 360,034.79

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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.