Home / 1,192.14-1,789.29-576.27

Finding the Fourth Proportional to 1,192.14, 1,789.29 and 576.27

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Solution

The fourth proportional to 1,192.14, 1,789.29 and 576.27 is: 864.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.14 : 1,789.29 = 576.27 : x
  2. Step 2: Convert to fraction form
    1,192.14/1,789.29 = 576.27/x
  3. Step 3: Cross multiply
    1,192.14x = 1,789.29 × 576.27
  4. Step 4: Simplify right side
    1,192.14x = 1,031,114.15
  5. Step 5: Solve for x
    x = 1,031,114.15/1,192.14
  6. Step 6: Final answer
    x = 864.93

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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.