Home / 728,273.25-1,092,409.88-229,637.25

Finding the Fourth Proportional to 728,273.25, 1,092,409.88 and 229,637.25

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Solution

The fourth proportional to 728,273.25, 1,092,409.88 and 229,637.25 is: 344,455.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,273.25 : 1,092,409.88 = 229,637.25 : x
  2. Step 2: Convert to fraction form
    728,273.25/1,092,409.88 = 229,637.25/x
  3. Step 3: Cross multiply
    728,273.25x = 1,092,409.88 × 229,637.25
  4. Step 4: Simplify right side
    728,273.25x = 250,857,999,567.84
  5. Step 5: Solve for x
    x = 250,857,999,567.84/728,273.25
  6. Step 6: Final answer
    x = 344,455.88

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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.