Home / 1,078,839.20-1,618,258.80-547,997.60

Finding the Fourth Proportional to 1,078,839.20, 1,618,258.80 and 547,997.60

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Solution

The fourth proportional to 1,078,839.20, 1,618,258.80 and 547,997.60 is: 821,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,839.20 : 1,618,258.80 = 547,997.60 : x
  2. Step 2: Convert to fraction form
    1,078,839.20/1,618,258.80 = 547,997.60/x
  3. Step 3: Cross multiply
    1,078,839.20x = 1,618,258.80 × 547,997.60
  4. Step 4: Simplify right side
    1,078,839.20x = 886,801,938,578.88
  5. Step 5: Solve for x
    x = 886,801,938,578.88/1,078,839.20
  6. Step 6: Final answer
    x = 821,996.40

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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.