Home / 408,279.92-563,445.04-227,010.46

Finding the Fourth Proportional to 408,279.92, 563,445.04 and 227,010.46

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Solution

The fourth proportional to 408,279.92, 563,445.04 and 227,010.46 is: 313,284.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,279.92 : 563,445.04 = 227,010.46 : x
  2. Step 2: Convert to fraction form
    408,279.92/563,445.04 = 227,010.46/x
  3. Step 3: Cross multiply
    408,279.92x = 563,445.04 × 227,010.46
  4. Step 4: Simplify right side
    408,279.92x = 127,907,917,715.12
  5. Step 5: Solve for x
    x = 127,907,917,715.12/408,279.92
  6. Step 6: Final answer
    x = 313,284.86

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1.5x scale

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.