Home / 1,639,961.40-2,460,402.90-798,540.60

Finding the Fourth Proportional to 1,639,961.40, 2,460,402.90 and 798,540.60

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Solution

The fourth proportional to 1,639,961.40, 2,460,402.90 and 798,540.60 is: 1,198,035.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,961.40 : 2,460,402.90 = 798,540.60 : x
  2. Step 2: Convert to fraction form
    1,639,961.40/2,460,402.90 = 798,540.60/x
  3. Step 3: Cross multiply
    1,639,961.40x = 2,460,402.90 × 798,540.60
  4. Step 4: Simplify right side
    1,639,961.40x = 1,964,731,608,007.74
  5. Step 5: Solve for x
    x = 1,964,731,608,007.74/1,639,961.40
  6. Step 6: Final answer
    x = 1,198,035.28

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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.