Home / 627,836.09-941,757.78-154,518.26

Finding the Fourth Proportional to 627,836.09, 941,757.78 and 154,518.26

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Solution

The fourth proportional to 627,836.09, 941,757.78 and 154,518.26 is: 231,778.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,836.09 : 941,757.78 = 154,518.26 : x
  2. Step 2: Convert to fraction form
    627,836.09/941,757.78 = 154,518.26/x
  3. Step 3: Cross multiply
    627,836.09x = 941,757.78 × 154,518.26
  4. Step 4: Simplify right side
    627,836.09x = 145,518,773,507.06
  5. Step 5: Solve for x
    x = 145,518,773,507.06/627,836.09
  6. Step 6: Final answer
    x = 231,778.29

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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.