Home / 394,369.38-591,633.67-124,539.68

Finding the Fourth Proportional to 394,369.38, 591,633.67 and 124,539.68

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Solution

The fourth proportional to 394,369.38, 591,633.67 and 124,539.68 is: 186,834.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,369.38 : 591,633.67 = 124,539.68 : x
  2. Step 2: Convert to fraction form
    394,369.38/591,633.67 = 124,539.68/x
  3. Step 3: Cross multiply
    394,369.38x = 591,633.67 × 124,539.68
  4. Step 4: Simplify right side
    394,369.38x = 73,681,867,939.03
  5. Step 5: Solve for x
    x = 73,681,867,939.03/394,369.38
  6. Step 6: Final answer
    x = 186,834.66

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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.