Home / 1,184.28-1,776.18-698.04

Finding the Fourth Proportional to 1,184.28, 1,776.18 and 698.04

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Solution

The fourth proportional to 1,184.28, 1,776.18 and 698.04 is: 1,046.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.28 : 1,776.18 = 698.04 : x
  2. Step 2: Convert to fraction form
    1,184.28/1,776.18 = 698.04/x
  3. Step 3: Cross multiply
    1,184.28x = 1,776.18 × 698.04
  4. Step 4: Simplify right side
    1,184.28x = 1,239,844.69
  5. Step 5: Solve for x
    x = 1,239,844.69/1,184.28
  6. Step 6: Final answer
    x = 1,046.92

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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.