Home / 677,445.99-1,016,169.42-172,044.87

Finding the Fourth Proportional to 677,445.99, 1,016,169.42 and 172,044.87

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Solution

The fourth proportional to 677,445.99, 1,016,169.42 and 172,044.87 is: 258,067.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,445.99 : 1,016,169.42 = 172,044.87 : x
  2. Step 2: Convert to fraction form
    677,445.99/1,016,169.42 = 172,044.87/x
  3. Step 3: Cross multiply
    677,445.99x = 1,016,169.42 × 172,044.87
  4. Step 4: Simplify right side
    677,445.99x = 174,826,735,761.88
  5. Step 5: Solve for x
    x = 174,826,735,761.88/677,445.99
  6. Step 6: Final answer
    x = 258,067.42

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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.