Home / 1,162.30-1,743.44-296.68

Finding the Fourth Proportional to 1,162.30, 1,743.44 and 296.68

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Solution

The fourth proportional to 1,162.30, 1,743.44 and 296.68 is: 445.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.30 : 1,743.44 = 296.68 : x
  2. Step 2: Convert to fraction form
    1,162.30/1,743.44 = 296.68/x
  3. Step 3: Cross multiply
    1,162.30x = 1,743.44 × 296.68
  4. Step 4: Simplify right side
    1,162.30x = 517,243.78
  5. Step 5: Solve for x
    x = 517,243.78/1,162.30
  6. Step 6: Final answer
    x = 445.02

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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.