Home / 1,351,691.75-2,027,222.23-391,889.76

Finding the Fourth Proportional to 1,351,691.75, 2,027,222.23 and 391,889.76

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Solution

The fourth proportional to 1,351,691.75, 2,027,222.23 and 391,889.76 is: 587,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,691.75 : 2,027,222.23 = 391,889.76 : x
  2. Step 2: Convert to fraction form
    1,351,691.75/2,027,222.23 = 391,889.76/x
  3. Step 3: Cross multiply
    1,351,691.75x = 2,027,222.23 × 391,889.76
  4. Step 4: Simplify right side
    1,351,691.75x = 794,447,641,978.04
  5. Step 5: Solve for x
    x = 794,447,641,978.04/1,351,691.75
  6. Step 6: Final answer
    x = 587,743.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.