Home / 408,380.54-563,538.47-227,085.73

Finding the Fourth Proportional to 408,380.54, 563,538.47 and 227,085.73

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Solution

The fourth proportional to 408,380.54, 563,538.47 and 227,085.73 is: 313,363.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,380.54 : 563,538.47 = 227,085.73 : x
  2. Step 2: Convert to fraction form
    408,380.54/563,538.47 = 227,085.73/x
  3. Step 3: Cross multiply
    408,380.54x = 563,538.47 × 227,085.73
  4. Step 4: Simplify right side
    408,380.54x = 127,971,542,298.76
  5. Step 5: Solve for x
    x = 127,971,542,298.76/408,380.54
  6. Step 6: Final answer
    x = 313,363.47

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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.