Home / 704,819.80-1,057,229.70-231,520.60

Finding the Fourth Proportional to 704,819.80, 1,057,229.70 and 231,520.60

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Solution

The fourth proportional to 704,819.80, 1,057,229.70 and 231,520.60 is: 347,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,819.80 : 1,057,229.70 = 231,520.60 : x
  2. Step 2: Convert to fraction form
    704,819.80/1,057,229.70 = 231,520.60/x
  3. Step 3: Cross multiply
    704,819.80x = 1,057,229.70 × 231,520.60
  4. Step 4: Simplify right side
    704,819.80x = 244,770,454,481.82
  5. Step 5: Solve for x
    x = 244,770,454,481.82/704,819.80
  6. Step 6: Final answer
    x = 347,280.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.