Home / 1,324,589.17-1,987,180.05-483,140.92

Finding the Fourth Proportional to 1,324,589.17, 1,987,180.05 and 483,140.92

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Solution

The fourth proportional to 1,324,589.17, 1,987,180.05 and 483,140.92 is: 724,819.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,589.17 : 1,987,180.05 = 483,140.92 : x
  2. Step 2: Convert to fraction form
    1,324,589.17/1,987,180.05 = 483,140.92/x
  3. Step 3: Cross multiply
    1,324,589.17x = 1,987,180.05 × 483,140.92
  4. Step 4: Simplify right side
    1,324,589.17x = 960,087,995,146.94
  5. Step 5: Solve for x
    x = 960,087,995,146.94/1,324,589.17
  6. Step 6: Final answer
    x = 724,819.45

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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.