Home / 779,914.97-1,169,856.88-353,371.30

Finding the Fourth Proportional to 779,914.97, 1,169,856.88 and 353,371.30

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Solution

The fourth proportional to 779,914.97, 1,169,856.88 and 353,371.30 is: 530,049.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,914.97 : 1,169,856.88 = 353,371.30 : x
  2. Step 2: Convert to fraction form
    779,914.97/1,169,856.88 = 353,371.30/x
  3. Step 3: Cross multiply
    779,914.97x = 1,169,856.88 × 353,371.30
  4. Step 4: Simplify right side
    779,914.97x = 413,393,850,685.54
  5. Step 5: Solve for x
    x = 413,393,850,685.54/779,914.97
  6. Step 6: Final answer
    x = 530,049.90

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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.