Home / 806,187.72-1,112,537.76-443,634.96

Finding the Fourth Proportional to 806,187.72, 1,112,537.76 and 443,634.96

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Solution

The fourth proportional to 806,187.72, 1,112,537.76 and 443,634.96 is: 612,215.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,187.72 : 1,112,537.76 = 443,634.96 : x
  2. Step 2: Convert to fraction form
    806,187.72/1,112,537.76 = 443,634.96/x
  3. Step 3: Cross multiply
    806,187.72x = 1,112,537.76 × 443,634.96
  4. Step 4: Simplify right side
    806,187.72x = 493,560,644,656.09
  5. Step 5: Solve for x
    x = 493,560,644,656.09/806,187.72
  6. Step 6: Final answer
    x = 612,215.53

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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.