Home / 739,162.20-1,108,743.30-664,366.80

Finding the Fourth Proportional to 739,162.20, 1,108,743.30 and 664,366.80

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Solution

The fourth proportional to 739,162.20, 1,108,743.30 and 664,366.80 is: 996,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,162.20 : 1,108,743.30 = 664,366.80 : x
  2. Step 2: Convert to fraction form
    739,162.20/1,108,743.30 = 664,366.80/x
  3. Step 3: Cross multiply
    739,162.20x = 1,108,743.30 × 664,366.80
  4. Step 4: Simplify right side
    739,162.20x = 736,612,238,242.44
  5. Step 5: Solve for x
    x = 736,612,238,242.44/739,162.20
  6. Step 6: Final answer
    x = 996,550.20

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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.