Home / 941,712.28-1,299,600.68-511,991.08

Finding the Fourth Proportional to 941,712.28, 1,299,600.68 and 511,991.08

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Solution

The fourth proportional to 941,712.28, 1,299,600.68 and 511,991.08 is: 706,568.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,712.28 : 1,299,600.68 = 511,991.08 : x
  2. Step 2: Convert to fraction form
    941,712.28/1,299,600.68 = 511,991.08/x
  3. Step 3: Cross multiply
    941,712.28x = 1,299,600.68 × 511,991.08
  4. Step 4: Simplify right side
    941,712.28x = 665,383,955,721.94
  5. Step 5: Solve for x
    x = 665,383,955,721.94/941,712.28
  6. Step 6: Final answer
    x = 706,568.21

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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.