Home / 627,815.60-941,723.40-154,494.80

Finding the Fourth Proportional to 627,815.60, 941,723.40 and 154,494.80

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Solution

The fourth proportional to 627,815.60, 941,723.40 and 154,494.80 is: 231,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,815.60 : 941,723.40 = 154,494.80 : x
  2. Step 2: Convert to fraction form
    627,815.60/941,723.40 = 154,494.80/x
  3. Step 3: Cross multiply
    627,815.60x = 941,723.40 × 154,494.80
  4. Step 4: Simplify right side
    627,815.60x = 145,491,368,338.32
  5. Step 5: Solve for x
    x = 145,491,368,338.32/627,815.60
  6. Step 6: Final answer
    x = 231,742.20

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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.