Home / 839,028.68-1,257,700.31-269,991.57

Finding the Fourth Proportional to 839,028.68, 1,257,700.31 and 269,991.57

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Solution

The fourth proportional to 839,028.68, 1,257,700.31 and 269,991.57 is: 404,716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,028.68 : 1,257,700.31 = 269,991.57 : x
  2. Step 2: Convert to fraction form
    839,028.68/1,257,700.31 = 269,991.57/x
  3. Step 3: Cross multiply
    839,028.68x = 1,257,700.31 × 269,991.57
  4. Step 4: Simplify right side
    839,028.68x = 339,568,481,286.39
  5. Step 5: Solve for x
    x = 339,568,481,286.39/839,028.68
  6. Step 6: Final answer
    x = 404,716.18

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1.5x scale

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.