Home / 805,951.67-1,112,169.38-443,316.98

Finding the Fourth Proportional to 805,951.67, 1,112,169.38 and 443,316.98

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Solution

The fourth proportional to 805,951.67, 1,112,169.38 and 443,316.98 is: 611,753.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,951.67 : 1,112,169.38 = 443,316.98 : x
  2. Step 2: Convert to fraction form
    805,951.67/1,112,169.38 = 443,316.98/x
  3. Step 3: Cross multiply
    805,951.67x = 1,112,169.38 × 443,316.98
  4. Step 4: Simplify right side
    805,951.67x = 493,043,571,353.91
  5. Step 5: Solve for x
    x = 493,043,571,353.91/805,951.67
  6. Step 6: Final answer
    x = 611,753.28

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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.