Home / 394,414.20-591,767.10-157,926.60

Finding the Fourth Proportional to 394,414.20, 591,767.10 and 157,926.60

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Solution

The fourth proportional to 394,414.20, 591,767.10 and 157,926.60 is: 236,948.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,414.20 : 591,767.10 = 157,926.60 : x
  2. Step 2: Convert to fraction form
    394,414.20/591,767.10 = 157,926.60/x
  3. Step 3: Cross multiply
    394,414.20x = 591,767.10 × 157,926.60
  4. Step 4: Simplify right side
    394,414.20x = 93,455,766,094.86
  5. Step 5: Solve for x
    x = 93,455,766,094.86/394,414.20
  6. Step 6: Final answer
    x = 236,948.28

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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.