Home / 408,528.60-563,761.15-227,236.62

Finding the Fourth Proportional to 408,528.60, 563,761.15 and 227,236.62

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Solution

The fourth proportional to 408,528.60, 563,761.15 and 227,236.62 is: 313,581.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,528.60 : 563,761.15 = 227,236.62 : x
  2. Step 2: Convert to fraction form
    408,528.60/563,761.15 = 227,236.62/x
  3. Step 3: Cross multiply
    408,528.60x = 563,761.15 × 227,236.62
  4. Step 4: Simplify right side
    408,528.60x = 128,107,179,759.33
  5. Step 5: Solve for x
    x = 128,107,179,759.33/408,528.60
  6. Step 6: Final answer
    x = 313,581.92

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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.