Home / 403,945.32-557,448.44-222,664.24

Finding the Fourth Proportional to 403,945.32, 557,448.44 and 222,664.24

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Solution

The fourth proportional to 403,945.32, 557,448.44 and 222,664.24 is: 307,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,945.32 : 557,448.44 = 222,664.24 : x
  2. Step 2: Convert to fraction form
    403,945.32/557,448.44 = 222,664.24/x
  3. Step 3: Cross multiply
    403,945.32x = 557,448.44 × 222,664.24
  4. Step 4: Simplify right side
    403,945.32x = 124,123,833,231.79
  5. Step 5: Solve for x
    x = 124,123,833,231.79/403,945.32
  6. Step 6: Final answer
    x = 307,278.80

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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.