Home / 400,550.46-552,721.83-239,373.42

Finding the Fourth Proportional to 400,550.46, 552,721.83 and 239,373.42

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Solution

The fourth proportional to 400,550.46, 552,721.83 and 239,373.42 is: 330,312.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,550.46 : 552,721.83 = 239,373.42 : x
  2. Step 2: Convert to fraction form
    400,550.46/552,721.83 = 239,373.42/x
  3. Step 3: Cross multiply
    400,550.46x = 552,721.83 × 239,373.42
  4. Step 4: Simplify right side
    400,550.46x = 132,306,914,755.76
  5. Step 5: Solve for x
    x = 132,306,914,755.76/400,550.46
  6. Step 6: Final answer
    x = 330,312.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.