Home / 728,336.28-1,092,664.80-222,901.14

Finding the Fourth Proportional to 728,336.28, 1,092,664.80 and 222,901.14

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Solution

The fourth proportional to 728,336.28, 1,092,664.80 and 222,901.14 is: 334,400.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,336.28 : 1,092,664.80 = 222,901.14 : x
  2. Step 2: Convert to fraction form
    728,336.28/1,092,664.80 = 222,901.14/x
  3. Step 3: Cross multiply
    728,336.28x = 1,092,664.80 × 222,901.14
  4. Step 4: Simplify right side
    728,336.28x = 243,556,229,557.87
  5. Step 5: Solve for x
    x = 243,556,229,557.87/728,336.28
  6. Step 6: Final answer
    x = 334,400.79

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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.