Home / 805,932.96-1,112,147.29-443,347.50

Finding the Fourth Proportional to 805,932.96, 1,112,147.29 and 443,347.50

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Solution

The fourth proportional to 805,932.96, 1,112,147.29 and 443,347.50 is: 611,797.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,932.96 : 1,112,147.29 = 443,347.50 : x
  2. Step 2: Convert to fraction form
    805,932.96/1,112,147.29 = 443,347.50/x
  3. Step 3: Cross multiply
    805,932.96x = 1,112,147.29 × 443,347.50
  4. Step 4: Simplify right side
    805,932.96x = 493,067,721,003.18
  5. Step 5: Solve for x
    x = 493,067,721,003.18/805,932.96
  6. Step 6: Final answer
    x = 611,797.44

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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.