Home / 677,474.55-1,016,212.24-172,073.43

Finding the Fourth Proportional to 677,474.55, 1,016,212.24 and 172,073.43

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Solution

The fourth proportional to 677,474.55, 1,016,212.24 and 172,073.43 is: 258,110.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,474.55 : 1,016,212.24 = 172,073.43 : x
  2. Step 2: Convert to fraction form
    677,474.55/1,016,212.24 = 172,073.43/x
  3. Step 3: Cross multiply
    677,474.55x = 1,016,212.24 × 172,073.43
  4. Step 4: Simplify right side
    677,474.55x = 174,863,120,663.72
  5. Step 5: Solve for x
    x = 174,863,120,663.72/677,474.55
  6. Step 6: Final answer
    x = 258,110.24

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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.