Home / 1,262,190.92-1,891,884.00-961,680.78

Finding the Fourth Proportional to 1,262,190.92, 1,891,884.00 and 961,680.78

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Solution

The fourth proportional to 1,262,190.92, 1,891,884.00 and 961,680.78 is: 1,441,452.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,190.92 : 1,891,884.00 = 961,680.78 : x
  2. Step 2: Convert to fraction form
    1,262,190.92/1,891,884.00 = 961,680.78/x
  3. Step 3: Cross multiply
    1,262,190.92x = 1,891,884.00 × 961,680.78
  4. Step 4: Simplify right side
    1,262,190.92x = 1,819,388,480,710.83
  5. Step 5: Solve for x
    x = 1,819,388,480,710.83/1,262,190.92
  6. Step 6: Final answer
    x = 1,441,452.68

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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.