Home / 1,261,781.08-1,741,256.22-809,071

Finding the Fourth Proportional to 1,261,781.08, 1,741,256.22 and 809,071

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Solution

The fourth proportional to 1,261,781.08, 1,741,256.22 and 809,071 is: 1,116,516.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,781.08 : 1,741,256.22 = 809,071 : x
  2. Step 2: Convert to fraction form
    1,261,781.08/1,741,256.22 = 809,071/x
  3. Step 3: Cross multiply
    1,261,781.08x = 1,741,256.22 × 809,071
  4. Step 4: Simplify right side
    1,261,781.08x = 1,408,799,911,171.62
  5. Step 5: Solve for x
    x = 1,408,799,911,171.62/1,261,781.08
  6. Step 6: Final answer
    x = 1,116,516.91

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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.