Home / 1,143,819.82-1,715,170.83-469,720.81

Finding the Fourth Proportional to 1,143,819.82, 1,715,170.83 and 469,720.81

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Solution

The fourth proportional to 1,143,819.82, 1,715,170.83 and 469,720.81 is: 704,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,819.82 : 1,715,170.83 = 469,720.81 : x
  2. Step 2: Convert to fraction form
    1,143,819.82/1,715,170.83 = 469,720.81/x
  3. Step 3: Cross multiply
    1,143,819.82x = 1,715,170.83 × 469,720.81
  4. Step 4: Simplify right side
    1,143,819.82x = 805,651,431,555.97
  5. Step 5: Solve for x
    x = 805,651,431,555.97/1,143,819.82
  6. Step 6: Final answer
    x = 704,351.70

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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.