Home / 1,775,778.60-2,660,606.10-827,203.80

Finding the Fourth Proportional to 1,775,778.60, 2,660,606.10 and 827,203.80

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Solution

The fourth proportional to 1,775,778.60, 2,660,606.10 and 827,203.80 is: 1,239,379.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,778.60 : 2,660,606.10 = 827,203.80 : x
  2. Step 2: Convert to fraction form
    1,775,778.60/2,660,606.10 = 827,203.80/x
  3. Step 3: Cross multiply
    1,775,778.60x = 2,660,606.10 × 827,203.80
  4. Step 4: Simplify right side
    1,775,778.60x = 2,200,863,476,223.18
  5. Step 5: Solve for x
    x = 2,200,863,476,223.18/1,775,778.60
  6. Step 6: Final answer
    x = 1,239,379.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.