Home / 1,253,869.20-1,879,839.36-622,293.12

Finding the Fourth Proportional to 1,253,869.20, 1,879,839.36 and 622,293.12

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Solution

The fourth proportional to 1,253,869.20, 1,879,839.36 and 622,293.12 is: 932,961.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,869.20 : 1,879,839.36 = 622,293.12 : x
  2. Step 2: Convert to fraction form
    1,253,869.20/1,879,839.36 = 622,293.12/x
  3. Step 3: Cross multiply
    1,253,869.20x = 1,879,839.36 × 622,293.12
  4. Step 4: Simplify right side
    1,253,869.20x = 1,169,811,100,433.20
  5. Step 5: Solve for x
    x = 1,169,811,100,433.20/1,253,869.20
  6. Step 6: Final answer
    x = 932,961.03

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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.