Home / 1,251,610.94-1,876,795.31-398,571.42

Finding the Fourth Proportional to 1,251,610.94, 1,876,795.31 and 398,571.42

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Solution

The fourth proportional to 1,251,610.94, 1,876,795.31 and 398,571.42 is: 597,659.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,610.94 : 1,876,795.31 = 398,571.42 : x
  2. Step 2: Convert to fraction form
    1,251,610.94/1,876,795.31 = 398,571.42/x
  3. Step 3: Cross multiply
    1,251,610.94x = 1,876,795.31 × 398,571.42
  4. Step 4: Simplify right side
    1,251,610.94x = 748,036,969,763.18
  5. Step 5: Solve for x
    x = 748,036,969,763.18/1,251,610.94
  6. Step 6: Final answer
    x = 597,659.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.