Home / 805,998.68-1,112,278.17-443,414.75

Finding the Fourth Proportional to 805,998.68, 1,112,278.17 and 443,414.75

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Solution

The fourth proportional to 805,998.68, 1,112,278.17 and 443,414.75 is: 611,912.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,998.68 : 1,112,278.17 = 443,414.75 : x
  2. Step 2: Convert to fraction form
    805,998.68/1,112,278.17 = 443,414.75/x
  3. Step 3: Cross multiply
    805,998.68x = 1,112,278.17 × 443,414.75
  4. Step 4: Simplify right side
    805,998.68x = 493,200,546,681.01
  5. Step 5: Solve for x
    x = 493,200,546,681.01/805,998.68
  6. Step 6: Final answer
    x = 611,912.35

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Double scale
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1.5x scale

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.