Home / 401,723.52-554,378.44-222,875.52

Finding the Fourth Proportional to 401,723.52, 554,378.44 and 222,875.52

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Solution

The fourth proportional to 401,723.52, 554,378.44 and 222,875.52 is: 307,568.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,723.52 : 554,378.44 = 222,875.52 : x
  2. Step 2: Convert to fraction form
    401,723.52/554,378.44 = 222,875.52/x
  3. Step 3: Cross multiply
    401,723.52x = 554,378.44 × 222,875.52
  4. Step 4: Simplify right side
    401,723.52x = 123,557,383,091.79
  5. Step 5: Solve for x
    x = 123,557,383,091.79/401,723.52
  6. Step 6: Final answer
    x = 307,568.21

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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.