Home / 403,590.55-556,933.57-222,268.09

Finding the Fourth Proportional to 403,590.55, 556,933.57 and 222,268.09

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Solution

The fourth proportional to 403,590.55, 556,933.57 and 222,268.09 is: 306,718.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,590.55 : 556,933.57 = 222,268.09 : x
  2. Step 2: Convert to fraction form
    403,590.55/556,933.57 = 222,268.09/x
  3. Step 3: Cross multiply
    403,590.55x = 556,933.57 × 222,268.09
  4. Step 4: Simplify right side
    403,590.55x = 123,788,560,860.78
  5. Step 5: Solve for x
    x = 123,788,560,860.78/403,590.55
  6. Step 6: Final answer
    x = 306,718.18

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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.