Home / 1,115,843.00-1,540,604.86-857,259.41

Finding the Fourth Proportional to 1,115,843.00, 1,540,604.86 and 857,259.41

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Solution

The fourth proportional to 1,115,843.00, 1,540,604.86 and 857,259.41 is: 1,183,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,843.00 : 1,540,604.86 = 857,259.41 : x
  2. Step 2: Convert to fraction form
    1,115,843.00/1,540,604.86 = 857,259.41/x
  3. Step 3: Cross multiply
    1,115,843.00x = 1,540,604.86 × 857,259.41
  4. Step 4: Simplify right side
    1,115,843.00x = 1,320,698,003,480.56
  5. Step 5: Solve for x
    x = 1,320,698,003,480.56/1,115,843.00
  6. Step 6: Final answer
    x = 1,183,587.66

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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.