Home / 403,811.33-557,258.48-222,523.21

Finding the Fourth Proportional to 403,811.33, 557,258.48 and 222,523.21

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Solution

The fourth proportional to 403,811.33, 557,258.48 and 222,523.21 is: 307,081.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,811.33 : 557,258.48 = 222,523.21 : x
  2. Step 2: Convert to fraction form
    403,811.33/557,258.48 = 222,523.21/x
  3. Step 3: Cross multiply
    403,811.33x = 557,258.48 × 222,523.21
  4. Step 4: Simplify right side
    403,811.33x = 124,002,943,288.52
  5. Step 5: Solve for x
    x = 124,002,943,288.52/403,811.33
  6. Step 6: Final answer
    x = 307,081.39

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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.