Home / 627,738.10-941,607.15-154,417.30

Finding the Fourth Proportional to 627,738.10, 941,607.15 and 154,417.30

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Solution

The fourth proportional to 627,738.10, 941,607.15 and 154,417.30 is: 231,625.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,738.10 : 941,607.15 = 154,417.30 : x
  2. Step 2: Convert to fraction form
    627,738.10/941,607.15 = 154,417.30/x
  3. Step 3: Cross multiply
    627,738.10x = 941,607.15 × 154,417.30
  4. Step 4: Simplify right side
    627,738.10x = 145,400,433,763.70
  5. Step 5: Solve for x
    x = 145,400,433,763.70/627,738.10
  6. Step 6: Final answer
    x = 231,625.95

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Double scale
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Similar ratio
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1.5x scale

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.