Home / 1,370,449.66-1,891,936.83-854,360.86

Finding the Fourth Proportional to 1,370,449.66, 1,891,936.83 and 854,360.86

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Solution

The fourth proportional to 1,370,449.66, 1,891,936.83 and 854,360.86 is: 1,179,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,449.66 : 1,891,936.83 = 854,360.86 : x
  2. Step 2: Convert to fraction form
    1,370,449.66/1,891,936.83 = 854,360.86/x
  3. Step 3: Cross multiply
    1,370,449.66x = 1,891,936.83 × 854,360.86
  4. Step 4: Simplify right side
    1,370,449.66x = 1,616,396,777,144.47
  5. Step 5: Solve for x
    x = 1,616,396,777,144.47/1,370,449.66
  6. Step 6: Final answer
    x = 1,179,464.54

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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.