Home / 1,491,366.68-2,237,179.18-411,879.64

Finding the Fourth Proportional to 1,491,366.68, 2,237,179.18 and 411,879.64

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Solution

The fourth proportional to 1,491,366.68, 2,237,179.18 and 411,879.64 is: 617,855.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,366.68 : 2,237,179.18 = 411,879.64 : x
  2. Step 2: Convert to fraction form
    1,491,366.68/2,237,179.18 = 411,879.64/x
  3. Step 3: Cross multiply
    1,491,366.68x = 2,237,179.18 × 411,879.64
  4. Step 4: Simplify right side
    1,491,366.68x = 921,448,555,273.90
  5. Step 5: Solve for x
    x = 921,448,555,273.90/1,491,366.68
  6. Step 6: Final answer
    x = 617,855.13

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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.