Home / 739,151.80-1,108,727.70-473,431.30

Finding the Fourth Proportional to 739,151.80, 1,108,727.70 and 473,431.30

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Solution

The fourth proportional to 739,151.80, 1,108,727.70 and 473,431.30 is: 710,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,151.80 : 1,108,727.70 = 473,431.30 : x
  2. Step 2: Convert to fraction form
    739,151.80/1,108,727.70 = 473,431.30/x
  3. Step 3: Cross multiply
    739,151.80x = 1,108,727.70 × 473,431.30
  4. Step 4: Simplify right side
    739,151.80x = 524,906,396,357.01
  5. Step 5: Solve for x
    x = 524,906,396,357.01/739,151.80
  6. Step 6: Final answer
    x = 710,146.95

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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.