Home / 428,553.60-591,364.17-237,550.74

Finding the Fourth Proportional to 428,553.60, 591,364.17 and 237,550.74

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Solution

The fourth proportional to 428,553.60, 591,364.17 and 237,550.74 is: 327,797.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,553.60 : 591,364.17 = 237,550.74 : x
  2. Step 2: Convert to fraction form
    428,553.60/591,364.17 = 237,550.74/x
  3. Step 3: Cross multiply
    428,553.60x = 591,364.17 × 237,550.74
  4. Step 4: Simplify right side
    428,553.60x = 140,478,996,192.99
  5. Step 5: Solve for x
    x = 140,478,996,192.99/428,553.60
  6. Step 6: Final answer
    x = 327,797.96

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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.