Home / 394,418.66-591,543.02-124,567.83

Finding the Fourth Proportional to 394,418.66, 591,543.02 and 124,567.83

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Solution

The fourth proportional to 394,418.66, 591,543.02 and 124,567.83 is: 186,824.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,418.66 : 591,543.02 = 124,567.83 : x
  2. Step 2: Convert to fraction form
    394,418.66/591,543.02 = 124,567.83/x
  3. Step 3: Cross multiply
    394,418.66x = 591,543.02 × 124,567.83
  4. Step 4: Simplify right side
    394,418.66x = 73,687,229,730.21
  5. Step 5: Solve for x
    x = 73,687,229,730.21/394,418.66
  6. Step 6: Final answer
    x = 186,824.91

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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.