Home / 766,231.44-1,057,357.96-422,055.96

Finding the Fourth Proportional to 766,231.44, 1,057,357.96 and 422,055.96

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Solution

The fourth proportional to 766,231.44, 1,057,357.96 and 422,055.96 is: 582,414.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,231.44 : 1,057,357.96 = 422,055.96 : x
  2. Step 2: Convert to fraction form
    766,231.44/1,057,357.96 = 422,055.96/x
  3. Step 3: Cross multiply
    766,231.44x = 1,057,357.96 × 422,055.96
  4. Step 4: Simplify right side
    766,231.44x = 446,264,228,871.44
  5. Step 5: Solve for x
    x = 446,264,228,871.44/766,231.44
  6. Step 6: Final answer
    x = 582,414.41

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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.