Home / 806,517.48-1,112,998.14-443,977.80

Finding the Fourth Proportional to 806,517.48, 1,112,998.14 and 443,977.80

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Solution

The fourth proportional to 806,517.48, 1,112,998.14 and 443,977.80 is: 612,691.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,517.48 : 1,112,998.14 = 443,977.80 : x
  2. Step 2: Convert to fraction form
    806,517.48/1,112,998.14 = 443,977.80/x
  3. Step 3: Cross multiply
    806,517.48x = 1,112,998.14 × 443,977.80
  4. Step 4: Simplify right side
    806,517.48x = 494,146,465,601.29
  5. Step 5: Solve for x
    x = 494,146,465,601.29/806,517.48
  6. Step 6: Final answer
    x = 612,691.58

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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.