Home / 1,324,589.18-1,987,180.05-483,140.93

Finding the Fourth Proportional to 1,324,589.18, 1,987,180.05 and 483,140.93

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Solution

The fourth proportional to 1,324,589.18, 1,987,180.05 and 483,140.93 is: 724,819.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,589.18 : 1,987,180.05 = 483,140.93 : x
  2. Step 2: Convert to fraction form
    1,324,589.18/1,987,180.05 = 483,140.93/x
  3. Step 3: Cross multiply
    1,324,589.18x = 1,987,180.05 × 483,140.93
  4. Step 4: Simplify right side
    1,324,589.18x = 960,088,007,498.55
  5. Step 5: Solve for x
    x = 960,088,007,498.55/1,324,589.18
  6. Step 6: Final answer
    x = 724,819.46

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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.