Home / 881,406.15-1,215,892.78-575,661.66

Finding the Fourth Proportional to 881,406.15, 1,215,892.78 and 575,661.66

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Solution

The fourth proportional to 881,406.15, 1,215,892.78 and 575,661.66 is: 794,120.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,406.15 : 1,215,892.78 = 575,661.66 : x
  2. Step 2: Convert to fraction form
    881,406.15/1,215,892.78 = 575,661.66/x
  3. Step 3: Cross multiply
    881,406.15x = 1,215,892.78 × 575,661.66
  4. Step 4: Simplify right side
    881,406.15x = 699,942,856,116.82
  5. Step 5: Solve for x
    x = 699,942,856,116.82/881,406.15
  6. Step 6: Final answer
    x = 794,120.69

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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.