Home / 728,279.49-1,092,417.39-195,800.46

Finding the Fourth Proportional to 728,279.49, 1,092,417.39 and 195,800.46

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Solution

The fourth proportional to 728,279.49, 1,092,417.39 and 195,800.46 is: 293,700.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,279.49 : 1,092,417.39 = 195,800.46 : x
  2. Step 2: Convert to fraction form
    728,279.49/1,092,417.39 = 195,800.46/x
  3. Step 3: Cross multiply
    728,279.49x = 1,092,417.39 × 195,800.46
  4. Step 4: Simplify right side
    728,279.49x = 213,895,827,474.00
  5. Step 5: Solve for x
    x = 213,895,827,474.00/728,279.49
  6. Step 6: Final answer
    x = 293,700.19

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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.