Home / 627,839.84-941,763.40-154,522.02

Finding the Fourth Proportional to 627,839.84, 941,763.40 and 154,522.02

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Solution

The fourth proportional to 627,839.84, 941,763.40 and 154,522.02 is: 231,783.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,839.84 : 941,763.40 = 154,522.02 : x
  2. Step 2: Convert to fraction form
    627,839.84/941,763.40 = 154,522.02/x
  3. Step 3: Cross multiply
    627,839.84x = 941,763.40 × 154,522.02
  4. Step 4: Simplify right side
    627,839.84x = 145,523,182,930.07
  5. Step 5: Solve for x
    x = 145,523,182,930.07/627,839.84
  6. Step 6: Final answer
    x = 231,783.93

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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.