Home / 739,122.10-1,108,683.15-732,123.70

Finding the Fourth Proportional to 739,122.10, 1,108,683.15 and 732,123.70

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Solution

The fourth proportional to 739,122.10, 1,108,683.15 and 732,123.70 is: 1,098,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,122.10 : 1,108,683.15 = 732,123.70 : x
  2. Step 2: Convert to fraction form
    739,122.10/1,108,683.15 = 732,123.70/x
  3. Step 3: Cross multiply
    739,122.10x = 1,108,683.15 × 732,123.70
  4. Step 4: Simplify right side
    739,122.10x = 811,693,209,905.66
  5. Step 5: Solve for x
    x = 811,693,209,905.66/739,122.10
  6. Step 6: Final answer
    x = 1,098,185.55

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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.