Home / 876,974.82-1,209,403.94-582,103.05

Finding the Fourth Proportional to 876,974.82, 1,209,403.94 and 582,103.05

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Solution

The fourth proportional to 876,974.82, 1,209,403.94 and 582,103.05 is: 802,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,974.82 : 1,209,403.94 = 582,103.05 : x
  2. Step 2: Convert to fraction form
    876,974.82/1,209,403.94 = 582,103.05/x
  3. Step 3: Cross multiply
    876,974.82x = 1,209,403.94 × 582,103.05
  4. Step 4: Simplify right side
    876,974.82x = 703,997,719,245.50
  5. Step 5: Solve for x
    x = 703,997,719,245.50/876,974.82
  6. Step 6: Final answer
    x = 802,757.05

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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.