Home / 403,884.72-557,338.16-222,596.09

Finding the Fourth Proportional to 403,884.72, 557,338.16 and 222,596.09

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Solution

The fourth proportional to 403,884.72, 557,338.16 and 222,596.09 is: 307,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,884.72 : 557,338.16 = 222,596.09 : x
  2. Step 2: Convert to fraction form
    403,884.72/557,338.16 = 222,596.09/x
  3. Step 3: Cross multiply
    403,884.72x = 557,338.16 × 222,596.09
  4. Step 4: Simplify right side
    403,884.72x = 124,061,291,324.12
  5. Step 5: Solve for x
    x = 124,061,291,324.12/403,884.72
  6. Step 6: Final answer
    x = 307,170.05

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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.