Home / 1,177.20-1,764.36-527.04

Finding the Fourth Proportional to 1,177.20, 1,764.36 and 527.04

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Solution

The fourth proportional to 1,177.20, 1,764.36 and 527.04 is: 789.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.20 : 1,764.36 = 527.04 : x
  2. Step 2: Convert to fraction form
    1,177.20/1,764.36 = 527.04/x
  3. Step 3: Cross multiply
    1,177.20x = 1,764.36 × 527.04
  4. Step 4: Simplify right side
    1,177.20x = 929,888.29
  5. Step 5: Solve for x
    x = 929,888.29/1,177.20
  6. Step 6: Final answer
    x = 789.92

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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.