Home / 1,232.24-1,839.22-1,086.44

Finding the Fourth Proportional to 1,232.24, 1,839.22 and 1,086.44

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Solution

The fourth proportional to 1,232.24, 1,839.22 and 1,086.44 is: 1,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.24 : 1,839.22 = 1,086.44 : x
  2. Step 2: Convert to fraction form
    1,232.24/1,839.22 = 1,086.44/x
  3. Step 3: Cross multiply
    1,232.24x = 1,839.22 × 1,086.44
  4. Step 4: Simplify right side
    1,232.24x = 1,998,202.18
  5. Step 5: Solve for x
    x = 1,998,202.18/1,232.24
  6. Step 6: Final answer
    x = 1,621.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.