Home / 403,944.71-557,447.40-222,663.60

Finding the Fourth Proportional to 403,944.71, 557,447.40 and 222,663.60

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Solution

The fourth proportional to 403,944.71, 557,447.40 and 222,663.60 is: 307,277.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,944.71 : 557,447.40 = 222,663.60 : x
  2. Step 2: Convert to fraction form
    403,944.71/557,447.40 = 222,663.60/x
  3. Step 3: Cross multiply
    403,944.71x = 557,447.40 × 222,663.60
  4. Step 4: Simplify right side
    403,944.71x = 124,123,244,894.64
  5. Step 5: Solve for x
    x = 124,123,244,894.64/403,944.71
  6. Step 6: Final answer
    x = 307,277.81

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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.