Home / 801,578.38-1,106,178.15-439,003.09

Finding the Fourth Proportional to 801,578.38, 1,106,178.15 and 439,003.09

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Solution

The fourth proportional to 801,578.38, 1,106,178.15 and 439,003.09 is: 605,824.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,578.38 : 1,106,178.15 = 439,003.09 : x
  2. Step 2: Convert to fraction form
    801,578.38/1,106,178.15 = 439,003.09/x
  3. Step 3: Cross multiply
    801,578.38x = 1,106,178.15 × 439,003.09
  4. Step 4: Simplify right side
    801,578.38x = 485,615,625,940.48
  5. Step 5: Solve for x
    x = 485,615,625,940.48/801,578.38
  6. Step 6: Final answer
    x = 605,824.26

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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.