Home / 481,749.30-664,819.38-266,892.75

Finding the Fourth Proportional to 481,749.30, 664,819.38 and 266,892.75

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Solution

The fourth proportional to 481,749.30, 664,819.38 and 266,892.75 is: 368,314.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,749.30 : 664,819.38 = 266,892.75 : x
  2. Step 2: Convert to fraction form
    481,749.30/664,819.38 = 266,892.75/x
  3. Step 3: Cross multiply
    481,749.30x = 664,819.38 × 266,892.75
  4. Step 4: Simplify right side
    481,749.30x = 177,435,472,581.50
  5. Step 5: Solve for x
    x = 177,435,472,581.50/481,749.30
  6. Step 6: Final answer
    x = 368,314.96

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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.