Home / 627,645.30-941,868.90-228,248.07

Finding the Fourth Proportional to 627,645.30, 941,868.90 and 228,248.07

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Solution

The fourth proportional to 627,645.30, 941,868.90 and 228,248.07 is: 342,517.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,645.30 : 941,868.90 = 228,248.07 : x
  2. Step 2: Convert to fraction form
    627,645.30/941,868.90 = 228,248.07/x
  3. Step 3: Cross multiply
    627,645.30x = 941,868.90 × 228,248.07
  4. Step 4: Simplify right side
    627,645.30x = 214,979,753,944.77
  5. Step 5: Solve for x
    x = 214,979,753,944.77/627,645.30
  6. Step 6: Final answer
    x = 342,517.91

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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.