Home / 403,873.07-557,343.01-222,584.61

Finding the Fourth Proportional to 403,873.07, 557,343.01 and 222,584.61

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Solution

The fourth proportional to 403,873.07, 557,343.01 and 222,584.61 is: 307,165.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,873.07 : 557,343.01 = 222,584.61 : x
  2. Step 2: Convert to fraction form
    403,873.07/557,343.01 = 222,584.61/x
  3. Step 3: Cross multiply
    403,873.07x = 557,343.01 × 222,584.61
  4. Step 4: Simplify right side
    403,873.07x = 124,055,975,960.62
  5. Step 5: Solve for x
    x = 124,055,975,960.62/403,873.07
  6. Step 6: Final answer
    x = 307,165.75

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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.