Home / 561,844.20-842,766.30-187,867.20

Finding the Fourth Proportional to 561,844.20, 842,766.30 and 187,867.20

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Solution

The fourth proportional to 561,844.20, 842,766.30 and 187,867.20 is: 281,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,844.20 : 842,766.30 = 187,867.20 : x
  2. Step 2: Convert to fraction form
    561,844.20/842,766.30 = 187,867.20/x
  3. Step 3: Cross multiply
    561,844.20x = 842,766.30 × 187,867.20
  4. Step 4: Simplify right side
    561,844.20x = 158,328,145,035.36
  5. Step 5: Solve for x
    x = 158,328,145,035.36/561,844.20
  6. Step 6: Final answer
    x = 281,800.80

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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.