Home / 941,660.66-1,299,517.35-511,969.70

Finding the Fourth Proportional to 941,660.66, 1,299,517.35 and 511,969.70

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Solution

The fourth proportional to 941,660.66, 1,299,517.35 and 511,969.70 is: 706,532.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,660.66 : 1,299,517.35 = 511,969.70 : x
  2. Step 2: Convert to fraction form
    941,660.66/1,299,517.35 = 511,969.70/x
  3. Step 3: Cross multiply
    941,660.66x = 1,299,517.35 × 511,969.70
  4. Step 4: Simplify right side
    941,660.66x = 665,313,507,824.30
  5. Step 5: Solve for x
    x = 665,313,507,824.30/941,660.66
  6. Step 6: Final answer
    x = 706,532.13

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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.