Home / 806,519.38-1,112,988.31-443,935.46

Finding the Fourth Proportional to 806,519.38, 1,112,988.31 and 443,935.46

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Solution

The fourth proportional to 806,519.38, 1,112,988.31 and 443,935.46 is: 612,626.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,519.38 : 1,112,988.31 = 443,935.46 : x
  2. Step 2: Convert to fraction form
    806,519.38/1,112,988.31 = 443,935.46/x
  3. Step 3: Cross multiply
    806,519.38x = 1,112,988.31 × 443,935.46
  4. Step 4: Simplify right side
    806,519.38x = 494,094,971,614.90
  5. Step 5: Solve for x
    x = 494,094,971,614.90/806,519.38
  6. Step 6: Final answer
    x = 612,626.28

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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.