Home / 1,517,996.40-2,095,801.20-945,877.20

Finding the Fourth Proportional to 1,517,996.40, 2,095,801.20 and 945,877.20

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Solution

The fourth proportional to 1,517,996.40, 2,095,801.20 and 945,877.20 is: 1,305,912.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,996.40 : 2,095,801.20 = 945,877.20 : x
  2. Step 2: Convert to fraction form
    1,517,996.40/2,095,801.20 = 945,877.20/x
  3. Step 3: Cross multiply
    1,517,996.40x = 2,095,801.20 × 945,877.20
  4. Step 4: Simplify right side
    1,517,996.40x = 1,982,370,570,812.64
  5. Step 5: Solve for x
    x = 1,982,370,570,812.64/1,517,996.40
  6. Step 6: Final answer
    x = 1,305,912.56

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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.