Home / 1,233,485.18-1,851,906.39-694,122.53

Finding the Fourth Proportional to 1,233,485.18, 1,851,906.39 and 694,122.53

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Solution

The fourth proportional to 1,233,485.18, 1,851,906.39 and 694,122.53 is: 1,042,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,485.18 : 1,851,906.39 = 694,122.53 : x
  2. Step 2: Convert to fraction form
    1,233,485.18/1,851,906.39 = 694,122.53/x
  3. Step 3: Cross multiply
    1,233,485.18x = 1,851,906.39 × 694,122.53
  4. Step 4: Simplify right side
    1,233,485.18x = 1,285,449,951,208.89
  5. Step 5: Solve for x
    x = 1,285,449,951,208.89/1,233,485.18
  6. Step 6: Final answer
    x = 1,042,128.41

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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.