Home / 739,234.20-1,108,851.30-664,438.80

Finding the Fourth Proportional to 739,234.20, 1,108,851.30 and 664,438.80

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Solution

The fourth proportional to 739,234.20, 1,108,851.30 and 664,438.80 is: 996,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,234.20 : 1,108,851.30 = 664,438.80 : x
  2. Step 2: Convert to fraction form
    739,234.20/1,108,851.30 = 664,438.80/x
  3. Step 3: Cross multiply
    739,234.20x = 1,108,851.30 × 664,438.80
  4. Step 4: Simplify right side
    739,234.20x = 736,763,827,150.44
  5. Step 5: Solve for x
    x = 736,763,827,150.44/739,234.20
  6. Step 6: Final answer
    x = 996,658.20

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Double scale
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Similar ratio
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1.5x scale

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.