Home / 1,176.13-1,764.40-483.18

Finding the Fourth Proportional to 1,176.13, 1,764.40 and 483.18

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Solution

The fourth proportional to 1,176.13, 1,764.40 and 483.18 is: 724.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.13 : 1,764.40 = 483.18 : x
  2. Step 2: Convert to fraction form
    1,176.13/1,764.40 = 483.18/x
  3. Step 3: Cross multiply
    1,176.13x = 1,764.40 × 483.18
  4. Step 4: Simplify right side
    1,176.13x = 852,513.97
  5. Step 5: Solve for x
    x = 852,513.97/1,176.13
  6. Step 6: Final answer
    x = 724.85

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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.