Home / 403,589.82-556,979.25-222,301.70

Finding the Fourth Proportional to 403,589.82, 556,979.25 and 222,301.70

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Solution

The fourth proportional to 403,589.82, 556,979.25 and 222,301.70 is: 306,790.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,589.82 : 556,979.25 = 222,301.70 : x
  2. Step 2: Convert to fraction form
    403,589.82/556,979.25 = 222,301.70/x
  3. Step 3: Cross multiply
    403,589.82x = 556,979.25 × 222,301.70
  4. Step 4: Simplify right side
    403,589.82x = 123,817,431,354.83
  5. Step 5: Solve for x
    x = 123,817,431,354.83/403,589.82
  6. Step 6: Final answer
    x = 306,790.27

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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.