Home / 872,198.80-1,204,110.84-528,093.52

Finding the Fourth Proportional to 872,198.80, 1,204,110.84 and 528,093.52

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Solution

The fourth proportional to 872,198.80, 1,204,110.84 and 528,093.52 is: 729,057.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,198.80 : 1,204,110.84 = 528,093.52 : x
  2. Step 2: Convert to fraction form
    872,198.80/1,204,110.84 = 528,093.52/x
  3. Step 3: Cross multiply
    872,198.80x = 1,204,110.84 × 528,093.52
  4. Step 4: Simplify right side
    872,198.80x = 635,883,131,965.76
  5. Step 5: Solve for x
    x = 635,883,131,965.76/872,198.80
  6. Step 6: Final answer
    x = 729,057.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.