Home / 979,045.11-1,469,641.64-777,934.04

Finding the Fourth Proportional to 979,045.11, 1,469,641.64 and 777,934.04

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Solution

The fourth proportional to 979,045.11, 1,469,641.64 and 777,934.04 is: 1,167,754.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,045.11 : 1,469,641.64 = 777,934.04 : x
  2. Step 2: Convert to fraction form
    979,045.11/1,469,641.64 = 777,934.04/x
  3. Step 3: Cross multiply
    979,045.11x = 1,469,641.64 × 777,934.04
  4. Step 4: Simplify right side
    979,045.11x = 1,143,284,247,119.55
  5. Step 5: Solve for x
    x = 1,143,284,247,119.55/979,045.11
  6. Step 6: Final answer
    x = 1,167,754.41

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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.