Home / 408,275.91-563,439.51-227,006.46

Finding the Fourth Proportional to 408,275.91, 563,439.51 and 227,006.46

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Solution

The fourth proportional to 408,275.91, 563,439.51 and 227,006.46 is: 313,279.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,275.91 : 563,439.51 = 227,006.46 : x
  2. Step 2: Convert to fraction form
    408,275.91/563,439.51 = 227,006.46/x
  3. Step 3: Cross multiply
    408,275.91x = 563,439.51 × 227,006.46
  4. Step 4: Simplify right side
    408,275.91x = 127,904,408,589.24
  5. Step 5: Solve for x
    x = 127,904,408,589.24/408,275.91
  6. Step 6: Final answer
    x = 313,279.34

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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.