Home / 403,982.42-557,470.70-222,684.98

Finding the Fourth Proportional to 403,982.42, 557,470.70 and 222,684.98

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Solution

The fourth proportional to 403,982.42, 557,470.70 and 222,684.98 is: 307,291.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,982.42 : 557,470.70 = 222,684.98 : x
  2. Step 2: Convert to fraction form
    403,982.42/557,470.70 = 222,684.98/x
  3. Step 3: Cross multiply
    403,982.42x = 557,470.70 × 222,684.98
  4. Step 4: Simplify right side
    403,982.42x = 124,140,351,680.09
  5. Step 5: Solve for x
    x = 124,140,351,680.09/403,982.42
  6. Step 6: Final answer
    x = 307,291.47

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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.