Home / 408,278.12-563,432.10-226,997.24

Finding the Fourth Proportional to 408,278.12, 563,432.10 and 226,997.24

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Solution

The fourth proportional to 408,278.12, 563,432.10 and 226,997.24 is: 313,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,278.12 : 563,432.10 = 226,997.24 : x
  2. Step 2: Convert to fraction form
    408,278.12/563,432.10 = 226,997.24/x
  3. Step 3: Cross multiply
    408,278.12x = 563,432.10 × 226,997.24
  4. Step 4: Simplify right side
    408,278.12x = 127,897,531,627.40
  5. Step 5: Solve for x
    x = 127,897,531,627.40/408,278.12
  6. Step 6: Final answer
    x = 313,260.80

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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.