Home / 394,500.30-591,750.45-268,529.10

Finding the Fourth Proportional to 394,500.30, 591,750.45 and 268,529.10

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Solution

The fourth proportional to 394,500.30, 591,750.45 and 268,529.10 is: 402,793.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,500.30 : 591,750.45 = 268,529.10 : x
  2. Step 2: Convert to fraction form
    394,500.30/591,750.45 = 268,529.10/x
  3. Step 3: Cross multiply
    394,500.30x = 591,750.45 × 268,529.10
  4. Step 4: Simplify right side
    394,500.30x = 158,902,215,763.10
  5. Step 5: Solve for x
    x = 158,902,215,763.10/394,500.30
  6. Step 6: Final answer
    x = 402,793.65

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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.