Home / 681,067.38-1,021,595.67-254,710.56

Finding the Fourth Proportional to 681,067.38, 1,021,595.67 and 254,710.56

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Solution

The fourth proportional to 681,067.38, 1,021,595.67 and 254,710.56 is: 382,063.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,067.38 : 1,021,595.67 = 254,710.56 : x
  2. Step 2: Convert to fraction form
    681,067.38/1,021,595.67 = 254,710.56/x
  3. Step 3: Cross multiply
    681,067.38x = 1,021,595.67 × 254,710.56
  4. Step 4: Simplify right side
    681,067.38x = 260,211,205,199.28
  5. Step 5: Solve for x
    x = 260,211,205,199.28/681,067.38
  6. Step 6: Final answer
    x = 382,063.82

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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.