Home / 656,560.20-984,149.10-257,046.60

Finding the Fourth Proportional to 656,560.20, 984,149.10 and 257,046.60

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Solution

The fourth proportional to 656,560.20, 984,149.10 and 257,046.60 is: 385,299.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,560.20 : 984,149.10 = 257,046.60 : x
  2. Step 2: Convert to fraction form
    656,560.20/984,149.10 = 257,046.60/x
  3. Step 3: Cross multiply
    656,560.20x = 984,149.10 × 257,046.60
  4. Step 4: Simplify right side
    656,560.20x = 252,972,180,048.06
  5. Step 5: Solve for x
    x = 252,972,180,048.06/656,560.20
  6. Step 6: Final answer
    x = 385,299.29

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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.