Home / 394,126.04-591,248.10-127,798.04

Finding the Fourth Proportional to 394,126.04, 591,248.10 and 127,798.04

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Solution

The fourth proportional to 394,126.04, 591,248.10 and 127,798.04 is: 191,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,126.04 : 591,248.10 = 127,798.04 : x
  2. Step 2: Convert to fraction form
    394,126.04/591,248.10 = 127,798.04/x
  3. Step 3: Cross multiply
    394,126.04x = 591,248.10 × 127,798.04
  4. Step 4: Simplify right side
    394,126.04x = 75,560,348,333.72
  5. Step 5: Solve for x
    x = 75,560,348,333.72/394,126.04
  6. Step 6: Final answer
    x = 191,716.20

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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.