Home / 728,141.27-1,092,210.95-195,662.30

Finding the Fourth Proportional to 728,141.27, 1,092,210.95 and 195,662.30

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Solution

The fourth proportional to 728,141.27, 1,092,210.95 and 195,662.30 is: 293,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,141.27 : 1,092,210.95 = 195,662.30 : x
  2. Step 2: Convert to fraction form
    728,141.27/1,092,210.95 = 195,662.30/x
  3. Step 3: Cross multiply
    728,141.27x = 1,092,210.95 × 195,662.30
  4. Step 4: Simplify right side
    728,141.27x = 213,704,509,781.87
  5. Step 5: Solve for x
    x = 213,704,509,781.87/728,141.27
  6. Step 6: Final answer
    x = 293,493.20

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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.