Home / 1,409,778.50-1,945,496.28-765,198.82

Finding the Fourth Proportional to 1,409,778.50, 1,945,496.28 and 765,198.82

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Solution

The fourth proportional to 1,409,778.50, 1,945,496.28 and 765,198.82 is: 1,055,975.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,778.50 : 1,945,496.28 = 765,198.82 : x
  2. Step 2: Convert to fraction form
    1,409,778.50/1,945,496.28 = 765,198.82/x
  3. Step 3: Cross multiply
    1,409,778.50x = 1,945,496.28 × 765,198.82
  4. Step 4: Simplify right side
    1,409,778.50x = 1,488,691,457,770.39
  5. Step 5: Solve for x
    x = 1,488,691,457,770.39/1,409,778.50
  6. Step 6: Final answer
    x = 1,055,975.43

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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.