Home / 1,229.40-1,844.10-1,176.08

Finding the Fourth Proportional to 1,229.40, 1,844.10 and 1,176.08

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Solution

The fourth proportional to 1,229.40, 1,844.10 and 1,176.08 is: 1,764.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229.40 : 1,844.10 = 1,176.08 : x
  2. Step 2: Convert to fraction form
    1,229.40/1,844.10 = 1,176.08/x
  3. Step 3: Cross multiply
    1,229.40x = 1,844.10 × 1,176.08
  4. Step 4: Simplify right side
    1,229.40x = 2,168,799.91
  5. Step 5: Solve for x
    x = 2,168,799.91/1,229.40
  6. Step 6: Final answer
    x = 1,764.11

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Double scale
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Similar ratio
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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.