Home / 728,151.36-1,092,226.09-195,672.39

Finding the Fourth Proportional to 728,151.36, 1,092,226.09 and 195,672.39

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Solution

The fourth proportional to 728,151.36, 1,092,226.09 and 195,672.39 is: 293,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,151.36 : 1,092,226.09 = 195,672.39 : x
  2. Step 2: Convert to fraction form
    728,151.36/1,092,226.09 = 195,672.39/x
  3. Step 3: Cross multiply
    728,151.36x = 1,092,226.09 × 195,672.39
  4. Step 4: Simplify right side
    728,151.36x = 213,718,489,939.84
  5. Step 5: Solve for x
    x = 213,718,489,939.84/728,151.36
  6. Step 6: Final answer
    x = 293,508.33

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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.