Home / 805,952.17-1,112,170.07-443,317.49

Finding the Fourth Proportional to 805,952.17, 1,112,170.07 and 443,317.49

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Solution

The fourth proportional to 805,952.17, 1,112,170.07 and 443,317.49 is: 611,753.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,952.17 : 1,112,170.07 = 443,317.49 : x
  2. Step 2: Convert to fraction form
    805,952.17/1,112,170.07 = 443,317.49/x
  3. Step 3: Cross multiply
    805,952.17x = 1,112,170.07 × 443,317.49
  4. Step 4: Simplify right side
    805,952.17x = 493,044,436,108.09
  5. Step 5: Solve for x
    x = 493,044,436,108.09/805,952.17
  6. Step 6: Final answer
    x = 611,753.97

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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.