Home / 394,209.38-591,451.30-124,379.19

Finding the Fourth Proportional to 394,209.38, 591,451.30 and 124,379.19

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Solution

The fourth proportional to 394,209.38, 591,451.30 and 124,379.19 is: 186,612.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,209.38 : 591,451.30 = 124,379.19 : x
  2. Step 2: Convert to fraction form
    394,209.38/591,451.30 = 124,379.19/x
  3. Step 3: Cross multiply
    394,209.38x = 591,451.30 × 124,379.19
  4. Step 4: Simplify right side
    394,209.38x = 73,564,233,773.92
  5. Step 5: Solve for x
    x = 73,564,233,773.92/394,209.38
  6. Step 6: Final answer
    x = 186,612.08

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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.