Home / 806,261.67-1,112,613.19-443,651.62

Finding the Fourth Proportional to 806,261.67, 1,112,613.19 and 443,651.62

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Solution

The fourth proportional to 806,261.67, 1,112,613.19 and 443,651.62 is: 612,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,261.67 : 1,112,613.19 = 443,651.62 : x
  2. Step 2: Convert to fraction form
    806,261.67/1,112,613.19 = 443,651.62/x
  3. Step 3: Cross multiply
    806,261.67x = 1,112,613.19 × 443,651.62
  4. Step 4: Simplify right side
    806,261.67x = 493,612,644,176.87
  5. Step 5: Solve for x
    x = 493,612,644,176.87/806,261.67
  6. Step 6: Final answer
    x = 612,223.88

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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.