Home / 1,643,524.94-2,268,289.70-945,791.41

Finding the Fourth Proportional to 1,643,524.94, 2,268,289.70 and 945,791.41

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Solution

The fourth proportional to 1,643,524.94, 2,268,289.70 and 945,791.41 is: 1,305,321.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,524.94 : 2,268,289.70 = 945,791.41 : x
  2. Step 2: Convert to fraction form
    1,643,524.94/2,268,289.70 = 945,791.41/x
  3. Step 3: Cross multiply
    1,643,524.94x = 2,268,289.70 × 945,791.41
  4. Step 4: Simplify right side
    1,643,524.94x = 2,145,328,913,651.48
  5. Step 5: Solve for x
    x = 2,145,328,913,651.48/1,643,524.94
  6. Step 6: Final answer
    x = 1,305,321.79

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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.