Home / 331,475.43-457,439.12-200,656.09

Finding the Fourth Proportional to 331,475.43, 457,439.12 and 200,656.09

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Solution

The fourth proportional to 331,475.43, 457,439.12 and 200,656.09 is: 276,907.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,475.43 : 457,439.12 = 200,656.09 : x
  2. Step 2: Convert to fraction form
    331,475.43/457,439.12 = 200,656.09/x
  3. Step 3: Cross multiply
    331,475.43x = 457,439.12 × 200,656.09
  4. Step 4: Simplify right side
    331,475.43x = 91,787,945,232.24
  5. Step 5: Solve for x
    x = 91,787,945,232.24/331,475.43
  6. Step 6: Final answer
    x = 276,907.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.