Home / 422,786.20-583,450.68-231,799.18

Finding the Fourth Proportional to 422,786.20, 583,450.68 and 231,799.18

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Solution

The fourth proportional to 422,786.20, 583,450.68 and 231,799.18 is: 319,886.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,786.20 : 583,450.68 = 231,799.18 : x
  2. Step 2: Convert to fraction form
    422,786.20/583,450.68 = 231,799.18/x
  3. Step 3: Cross multiply
    422,786.20x = 583,450.68 × 231,799.18
  4. Step 4: Simplify right side
    422,786.20x = 135,243,388,605.06
  5. Step 5: Solve for x
    x = 135,243,388,605.06/422,786.20
  6. Step 6: Final answer
    x = 319,886.01

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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.