Home / 1,306,935.60-1,959,504.30-665,998.80

Finding the Fourth Proportional to 1,306,935.60, 1,959,504.30 and 665,998.80

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Solution

The fourth proportional to 1,306,935.60, 1,959,504.30 and 665,998.80 is: 998,540.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,935.60 : 1,959,504.30 = 665,998.80 : x
  2. Step 2: Convert to fraction form
    1,306,935.60/1,959,504.30 = 665,998.80/x
  3. Step 3: Cross multiply
    1,306,935.60x = 1,959,504.30 × 665,998.80
  4. Step 4: Simplify right side
    1,306,935.60x = 1,305,027,512,394.84
  5. Step 5: Solve for x
    x = 1,305,027,512,394.84/1,306,935.60
  6. Step 6: Final answer
    x = 998,540.03

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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.