Home / 805,610.40-1,111,720.18-443,034.26

Finding the Fourth Proportional to 805,610.40, 1,111,720.18 and 443,034.26

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Solution

The fourth proportional to 805,610.40, 1,111,720.18 and 443,034.26 is: 611,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,610.40 : 1,111,720.18 = 443,034.26 : x
  2. Step 2: Convert to fraction form
    805,610.40/1,111,720.18 = 443,034.26/x
  3. Step 3: Cross multiply
    805,610.40x = 1,111,720.18 × 443,034.26
  4. Step 4: Simplify right side
    805,610.40x = 492,530,119,499.60
  5. Step 5: Solve for x
    x = 492,530,119,499.60/805,610.40
  6. Step 6: Final answer
    x = 611,375.08

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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.