Home / 1,052,143.98-1,452,441.87-616,500.78

Finding the Fourth Proportional to 1,052,143.98, 1,452,441.87 and 616,500.78

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Solution

The fourth proportional to 1,052,143.98, 1,452,441.87 and 616,500.78 is: 851,054.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,143.98 : 1,452,441.87 = 616,500.78 : x
  2. Step 2: Convert to fraction form
    1,052,143.98/1,452,441.87 = 616,500.78/x
  3. Step 3: Cross multiply
    1,052,143.98x = 1,452,441.87 × 616,500.78
  4. Step 4: Simplify right side
    1,052,143.98x = 895,431,545,759.66
  5. Step 5: Solve for x
    x = 895,431,545,759.66/1,052,143.98
  6. Step 6: Final answer
    x = 851,054.19

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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.