Home / 941,392.32-1,299,129.12-511,672.56

Finding the Fourth Proportional to 941,392.32, 1,299,129.12 and 511,672.56

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Solution

The fourth proportional to 941,392.32, 1,299,129.12 and 511,672.56 is: 706,112.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,392.32 : 1,299,129.12 = 511,672.56 : x
  2. Step 2: Convert to fraction form
    941,392.32/1,299,129.12 = 511,672.56/x
  3. Step 3: Cross multiply
    941,392.32x = 1,299,129.12 × 511,672.56
  4. Step 4: Simplify right side
    941,392.32x = 664,728,722,600.95
  5. Step 5: Solve for x
    x = 664,728,722,600.95/941,392.32
  6. Step 6: Final answer
    x = 706,112.33

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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.