Home / 723,238.29-1,085,456.03-363,512.27

Finding the Fourth Proportional to 723,238.29, 1,085,456.03 and 363,512.27

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Solution

The fourth proportional to 723,238.29, 1,085,456.03 and 363,512.27 is: 545,569.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,238.29 : 1,085,456.03 = 363,512.27 : x
  2. Step 2: Convert to fraction form
    723,238.29/1,085,456.03 = 363,512.27/x
  3. Step 3: Cross multiply
    723,238.29x = 1,085,456.03 × 363,512.27
  4. Step 4: Simplify right side
    723,238.29x = 394,576,586,346.57
  5. Step 5: Solve for x
    x = 394,576,586,346.57/723,238.29
  6. Step 6: Final answer
    x = 545,569.27

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Half scale
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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.