Home / 1,410,120.88-1,945,989.43-765,540.56

Finding the Fourth Proportional to 1,410,120.88, 1,945,989.43 and 765,540.56

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Solution

The fourth proportional to 1,410,120.88, 1,945,989.43 and 765,540.56 is: 1,056,458.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,120.88 : 1,945,989.43 = 765,540.56 : x
  2. Step 2: Convert to fraction form
    1,410,120.88/1,945,989.43 = 765,540.56/x
  3. Step 3: Cross multiply
    1,410,120.88x = 1,945,989.43 × 765,540.56
  4. Step 4: Simplify right side
    1,410,120.88x = 1,489,733,840,947.40
  5. Step 5: Solve for x
    x = 1,489,733,840,947.40/1,410,120.88
  6. Step 6: Final answer
    x = 1,056,458.25

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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.