Home / 1,409,716.11-1,945,410.37-765,136.54

Finding the Fourth Proportional to 1,409,716.11, 1,945,410.37 and 765,136.54

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Solution

The fourth proportional to 1,409,716.11, 1,945,410.37 and 765,136.54 is: 1,055,889.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,716.11 : 1,945,410.37 = 765,136.54 : x
  2. Step 2: Convert to fraction form
    1,409,716.11/1,945,410.37 = 765,136.54/x
  3. Step 3: Cross multiply
    1,409,716.11x = 1,945,410.37 × 765,136.54
  4. Step 4: Simplify right side
    1,409,716.11x = 1,488,504,552,605.55
  5. Step 5: Solve for x
    x = 1,488,504,552,605.55/1,409,716.11
  6. Step 6: Final answer
    x = 1,055,889.58

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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.