Home / 394,082.56-591,206.82-127,822.24

Finding the Fourth Proportional to 394,082.56, 591,206.82 and 127,822.24

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Solution

The fourth proportional to 394,082.56, 591,206.82 and 127,822.24 is: 191,760.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,082.56 : 591,206.82 = 127,822.24 : x
  2. Step 2: Convert to fraction form
    394,082.56/591,206.82 = 127,822.24/x
  3. Step 3: Cross multiply
    394,082.56x = 591,206.82 × 127,822.24
  4. Step 4: Simplify right side
    394,082.56x = 75,569,380,035.68
  5. Step 5: Solve for x
    x = 75,569,380,035.68/394,082.56
  6. Step 6: Final answer
    x = 191,760.27

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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.