Home / 704,789.22-1,057,174.38-172,314.84

Finding the Fourth Proportional to 704,789.22, 1,057,174.38 and 172,314.84

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Solution

The fourth proportional to 704,789.22, 1,057,174.38 and 172,314.84 is: 258,469.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,789.22 : 1,057,174.38 = 172,314.84 : x
  2. Step 2: Convert to fraction form
    704,789.22/1,057,174.38 = 172,314.84/x
  3. Step 3: Cross multiply
    704,789.22x = 1,057,174.38 × 172,314.84
  4. Step 4: Simplify right side
    704,789.22x = 182,166,834,141.80
  5. Step 5: Solve for x
    x = 182,166,834,141.80/704,789.22
  6. Step 6: Final answer
    x = 258,469.95

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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.