Home / 1,078,567.26-1,616,591.34-811,469.76

Finding the Fourth Proportional to 1,078,567.26, 1,616,591.34 and 811,469.76

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Solution

The fourth proportional to 1,078,567.26, 1,616,591.34 and 811,469.76 is: 1,216,257.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,567.26 : 1,616,591.34 = 811,469.76 : x
  2. Step 2: Convert to fraction form
    1,078,567.26/1,616,591.34 = 811,469.76/x
  3. Step 3: Cross multiply
    1,078,567.26x = 1,616,591.34 × 811,469.76
  4. Step 4: Simplify right side
    1,078,567.26x = 1,311,814,986,687.88
  5. Step 5: Solve for x
    x = 1,311,814,986,687.88/1,078,567.26
  6. Step 6: Final answer
    x = 1,216,257.01

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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.