Home / 801,578.88-1,106,178.84-439,003.59

Finding the Fourth Proportional to 801,578.88, 1,106,178.84 and 439,003.59

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Solution

The fourth proportional to 801,578.88, 1,106,178.84 and 439,003.59 is: 605,824.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,578.88 : 1,106,178.84 = 439,003.59 : x
  2. Step 2: Convert to fraction form
    801,578.88/1,106,178.84 = 439,003.59/x
  3. Step 3: Cross multiply
    801,578.88x = 1,106,178.84 × 439,003.59
  4. Step 4: Simplify right side
    801,578.88x = 485,616,481,942.04
  5. Step 5: Solve for x
    x = 485,616,481,942.04/801,578.88
  6. Step 6: Final answer
    x = 605,824.95

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1.5x scale

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.