Home / 1,295,620.92-1,943,431.38-664,131.96

Finding the Fourth Proportional to 1,295,620.92, 1,943,431.38 and 664,131.96

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Solution

The fourth proportional to 1,295,620.92, 1,943,431.38 and 664,131.96 is: 996,197.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,620.92 : 1,943,431.38 = 664,131.96 : x
  2. Step 2: Convert to fraction form
    1,295,620.92/1,943,431.38 = 664,131.96/x
  3. Step 3: Cross multiply
    1,295,620.92x = 1,943,431.38 × 664,131.96
  4. Step 4: Simplify right side
    1,295,620.92x = 1,290,694,891,524.90
  5. Step 5: Solve for x
    x = 1,290,694,891,524.90/1,295,620.92
  6. Step 6: Final answer
    x = 996,197.94

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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.