Home / 827,987.91-1,241,981.88-267,022.41

Finding the Fourth Proportional to 827,987.91, 1,241,981.88 and 267,022.41

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Solution

The fourth proportional to 827,987.91, 1,241,981.88 and 267,022.41 is: 400,533.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,987.91 : 1,241,981.88 = 267,022.41 : x
  2. Step 2: Convert to fraction form
    827,987.91/1,241,981.88 = 267,022.41/x
  3. Step 3: Cross multiply
    827,987.91x = 1,241,981.88 × 267,022.41
  4. Step 4: Simplify right side
    827,987.91x = 331,636,989,115.17
  5. Step 5: Solve for x
    x = 331,636,989,115.17/827,987.91
  6. Step 6: Final answer
    x = 400,533.61

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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.