Home / 881,215.80-1,321,823.70-566,287.80

Finding the Fourth Proportional to 881,215.80, 1,321,823.70 and 566,287.80

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Solution

The fourth proportional to 881,215.80, 1,321,823.70 and 566,287.80 is: 849,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,215.80 : 1,321,823.70 = 566,287.80 : x
  2. Step 2: Convert to fraction form
    881,215.80/1,321,823.70 = 566,287.80/x
  3. Step 3: Cross multiply
    881,215.80x = 1,321,823.70 × 566,287.80
  4. Step 4: Simplify right side
    881,215.80x = 748,532,635,060.86
  5. Step 5: Solve for x
    x = 748,532,635,060.86/881,215.80
  6. Step 6: Final answer
    x = 849,431.70

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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.