Home / 1,519,000.80-2,278,209.60-454,077.60

Finding the Fourth Proportional to 1,519,000.80, 2,278,209.60 and 454,077.60

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Solution

The fourth proportional to 1,519,000.80, 2,278,209.60 and 454,077.60 is: 681,029.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,000.80 : 2,278,209.60 = 454,077.60 : x
  2. Step 2: Convert to fraction form
    1,519,000.80/2,278,209.60 = 454,077.60/x
  3. Step 3: Cross multiply
    1,519,000.80x = 2,278,209.60 × 454,077.60
  4. Step 4: Simplify right side
    1,519,000.80x = 1,034,483,947,464.96
  5. Step 5: Solve for x
    x = 1,034,483,947,464.96/1,519,000.80
  6. Step 6: Final answer
    x = 681,029.23

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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.