Home / 1,419,772.92-1,959,055.56-838,915.32

Finding the Fourth Proportional to 1,419,772.92, 1,959,055.56 and 838,915.32

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Solution

The fourth proportional to 1,419,772.92, 1,959,055.56 and 838,915.32 is: 1,157,566.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,772.92 : 1,959,055.56 = 838,915.32 : x
  2. Step 2: Convert to fraction form
    1,419,772.92/1,959,055.56 = 838,915.32/x
  3. Step 3: Cross multiply
    1,419,772.92x = 1,959,055.56 × 838,915.32
  4. Step 4: Simplify right side
    1,419,772.92x = 1,643,481,722,015.18
  5. Step 5: Solve for x
    x = 1,643,481,722,015.18/1,419,772.92
  6. Step 6: Final answer
    x = 1,157,566.61

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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.