Home / 1,116.24-1,673.10-499.02

Finding the Fourth Proportional to 1,116.24, 1,673.10 and 499.02

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Solution

The fourth proportional to 1,116.24, 1,673.10 and 499.02 is: 747.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116.24 : 1,673.10 = 499.02 : x
  2. Step 2: Convert to fraction form
    1,116.24/1,673.10 = 499.02/x
  3. Step 3: Cross multiply
    1,116.24x = 1,673.10 × 499.02
  4. Step 4: Simplify right side
    1,116.24x = 834,910.36
  5. Step 5: Solve for x
    x = 834,910.36/1,116.24
  6. Step 6: Final answer
    x = 747.97

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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.