Home / 856,057.62-1,181,371.78-493,474.89

Finding the Fourth Proportional to 856,057.62, 1,181,371.78 and 493,474.89

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Solution

The fourth proportional to 856,057.62, 1,181,371.78 and 493,474.89 is: 681,002.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,057.62 : 1,181,371.78 = 493,474.89 : x
  2. Step 2: Convert to fraction form
    856,057.62/1,181,371.78 = 493,474.89/x
  3. Step 3: Cross multiply
    856,057.62x = 1,181,371.78 × 493,474.89
  4. Step 4: Simplify right side
    856,057.62x = 582,977,309,184.60
  5. Step 5: Solve for x
    x = 582,977,309,184.60/856,057.62
  6. Step 6: Final answer
    x = 681,002.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.