Home / 408,120.04-563,202.66-229,272.04

Finding the Fourth Proportional to 408,120.04, 563,202.66 and 229,272.04

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Solution

The fourth proportional to 408,120.04, 563,202.66 and 229,272.04 is: 316,393.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,120.04 : 563,202.66 = 229,272.04 : x
  2. Step 2: Convert to fraction form
    408,120.04/563,202.66 = 229,272.04/x
  3. Step 3: Cross multiply
    408,120.04x = 563,202.66 × 229,272.04
  4. Step 4: Simplify right side
    408,120.04x = 129,126,622,791.63
  5. Step 5: Solve for x
    x = 129,126,622,791.63/408,120.04
  6. Step 6: Final answer
    x = 316,393.73

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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.