Home / 528,067.20-791,906.40-173,092.80

Finding the Fourth Proportional to 528,067.20, 791,906.40 and 173,092.80

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Solution

The fourth proportional to 528,067.20, 791,906.40 and 173,092.80 is: 259,575.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,067.20 : 791,906.40 = 173,092.80 : x
  2. Step 2: Convert to fraction form
    528,067.20/791,906.40 = 173,092.80/x
  3. Step 3: Cross multiply
    528,067.20x = 791,906.40 × 173,092.80
  4. Step 4: Simplify right side
    528,067.20x = 137,073,296,113.92
  5. Step 5: Solve for x
    x = 137,073,296,113.92/528,067.20
  6. Step 6: Final answer
    x = 259,575.48

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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.