Home / 394,505.24-591,775.43-120,931.27

Finding the Fourth Proportional to 394,505.24, 591,775.43 and 120,931.27

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Solution

The fourth proportional to 394,505.24, 591,775.43 and 120,931.27 is: 181,402.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,505.24 : 591,775.43 = 120,931.27 : x
  2. Step 2: Convert to fraction form
    394,505.24/591,775.43 = 120,931.27/x
  3. Step 3: Cross multiply
    394,505.24x = 591,775.43 × 120,931.27
  4. Step 4: Simplify right side
    394,505.24x = 71,564,152,220.60
  5. Step 5: Solve for x
    x = 71,564,152,220.60/394,505.24
  6. Step 6: Final answer
    x = 181,402.29

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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.