Home / 408,123.20-563,182.80-226,823.36

Finding the Fourth Proportional to 408,123.20, 563,182.80 and 226,823.36

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Solution

The fourth proportional to 408,123.20, 563,182.80 and 226,823.36 is: 313,001.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,123.20 : 563,182.80 = 226,823.36 : x
  2. Step 2: Convert to fraction form
    408,123.20/563,182.80 = 226,823.36/x
  3. Step 3: Cross multiply
    408,123.20x = 563,182.80 × 226,823.36
  4. Step 4: Simplify right side
    408,123.20x = 127,743,014,990.21
  5. Step 5: Solve for x
    x = 127,743,014,990.21/408,123.20
  6. Step 6: Final answer
    x = 313,001.11

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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.