Home / 1,261,512.60-1,741,447.26-854,205.72

Finding the Fourth Proportional to 1,261,512.60, 1,741,447.26 and 854,205.72

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Solution

The fourth proportional to 1,261,512.60, 1,741,447.26 and 854,205.72 is: 1,179,183.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,512.60 : 1,741,447.26 = 854,205.72 : x
  2. Step 2: Convert to fraction form
    1,261,512.60/1,741,447.26 = 854,205.72/x
  3. Step 3: Cross multiply
    1,261,512.60x = 1,741,447.26 × 854,205.72
  4. Step 4: Simplify right side
    1,261,512.60x = 1,487,554,210,570.33
  5. Step 5: Solve for x
    x = 1,487,554,210,570.33/1,261,512.60
  6. Step 6: Final answer
    x = 1,179,183.00

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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.