Home / 805,892.19-1,112,119.38-443,294.43

Finding the Fourth Proportional to 805,892.19, 1,112,119.38 and 443,294.43

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Solution

The fourth proportional to 805,892.19, 1,112,119.38 and 443,294.43 is: 611,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,892.19 : 1,112,119.38 = 443,294.43 : x
  2. Step 2: Convert to fraction form
    805,892.19/1,112,119.38 = 443,294.43/x
  3. Step 3: Cross multiply
    805,892.19x = 1,112,119.38 × 443,294.43
  4. Step 4: Simplify right side
    805,892.19x = 492,996,326,649.05
  5. Step 5: Solve for x
    x = 492,996,326,649.05/805,892.19
  6. Step 6: Final answer
    x = 611,739.80

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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.