Home / 627,621.78-941,833.62-228,224.55

Finding the Fourth Proportional to 627,621.78, 941,833.62 and 228,224.55

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Solution

The fourth proportional to 627,621.78, 941,833.62 and 228,224.55 is: 342,482.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,621.78 : 941,833.62 = 228,224.55 : x
  2. Step 2: Convert to fraction form
    627,621.78/941,833.62 = 228,224.55/x
  3. Step 3: Cross multiply
    627,621.78x = 941,833.62 × 228,224.55
  4. Step 4: Simplify right side
    627,621.78x = 214,949,554,099.37
  5. Step 5: Solve for x
    x = 214,949,554,099.37/627,621.78
  6. Step 6: Final answer
    x = 342,482.62

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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.