Home / 394,517.89-591,776.79-181,464.96

Finding the Fourth Proportional to 394,517.89, 591,776.79 and 181,464.96

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Solution

The fourth proportional to 394,517.89, 591,776.79 and 181,464.96 is: 272,197.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,517.89 : 591,776.79 = 181,464.96 : x
  2. Step 2: Convert to fraction form
    394,517.89/591,776.79 = 181,464.96/x
  3. Step 3: Cross multiply
    394,517.89x = 591,776.79 × 181,464.96
  4. Step 4: Simplify right side
    394,517.89x = 107,386,749,736.20
  5. Step 5: Solve for x
    x = 107,386,749,736.20/394,517.89
  6. Step 6: Final answer
    x = 272,197.41

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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.