Home / 824,116.05-1,236,126.19-247,726.88

Finding the Fourth Proportional to 824,116.05, 1,236,126.19 and 247,726.88

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Solution

The fourth proportional to 824,116.05, 1,236,126.19 and 247,726.88 is: 371,575.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,116.05 : 1,236,126.19 = 247,726.88 : x
  2. Step 2: Convert to fraction form
    824,116.05/1,236,126.19 = 247,726.88/x
  3. Step 3: Cross multiply
    824,116.05x = 1,236,126.19 × 247,726.88
  4. Step 4: Simplify right side
    824,116.05x = 306,221,686,805.99
  5. Step 5: Solve for x
    x = 306,221,686,805.99/824,116.05
  6. Step 6: Final answer
    x = 371,575.93

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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.