Home / 856,067.69-1,181,385.66-493,484.96

Finding the Fourth Proportional to 856,067.69, 1,181,385.66 and 493,484.96

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Solution

The fourth proportional to 856,067.69, 1,181,385.66 and 493,484.96 is: 681,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,067.69 : 1,181,385.66 = 493,484.96 : x
  2. Step 2: Convert to fraction form
    856,067.69/1,181,385.66 = 493,484.96/x
  3. Step 3: Cross multiply
    856,067.69x = 1,181,385.66 × 493,484.96
  4. Step 4: Simplify right side
    856,067.69x = 582,996,049,262.75
  5. Step 5: Solve for x
    x = 582,996,049,262.75/856,067.69
  6. Step 6: Final answer
    x = 681,016.30

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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.