Home / 1,177.47-1,764.99-527.85

Finding the Fourth Proportional to 1,177.47, 1,764.99 and 527.85

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Solution

The fourth proportional to 1,177.47, 1,764.99 and 527.85 is: 791.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.47 : 1,764.99 = 527.85 : x
  2. Step 2: Convert to fraction form
    1,177.47/1,764.99 = 527.85/x
  3. Step 3: Cross multiply
    1,177.47x = 1,764.99 × 527.85
  4. Step 4: Simplify right side
    1,177.47x = 931,649.97
  5. Step 5: Solve for x
    x = 931,649.97/1,177.47
  6. Step 6: Final answer
    x = 791.23

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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.