Home / 408,119.20-563,177.28-226,819.36

Finding the Fourth Proportional to 408,119.20, 563,177.28 and 226,819.36

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Solution

The fourth proportional to 408,119.20, 563,177.28 and 226,819.36 is: 312,995.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,119.20 : 563,177.28 = 226,819.36 : x
  2. Step 2: Convert to fraction form
    408,119.20/563,177.28 = 226,819.36/x
  3. Step 3: Cross multiply
    408,119.20x = 563,177.28 × 226,819.36
  4. Step 4: Simplify right side
    408,119.20x = 127,739,510,216.14
  5. Step 5: Solve for x
    x = 127,739,510,216.14/408,119.20
  6. Step 6: Final answer
    x = 312,995.59

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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.