Home / 403,622.04-557,002.26-222,334.80

Finding the Fourth Proportional to 403,622.04, 557,002.26 and 222,334.80

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Solution

The fourth proportional to 403,622.04, 557,002.26 and 222,334.80 is: 306,824.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,622.04 : 557,002.26 = 222,334.80 : x
  2. Step 2: Convert to fraction form
    403,622.04/557,002.26 = 222,334.80/x
  3. Step 3: Cross multiply
    403,622.04x = 557,002.26 × 222,334.80
  4. Step 4: Simplify right side
    403,622.04x = 123,840,986,076.65
  5. Step 5: Solve for x
    x = 123,840,986,076.65/403,622.04
  6. Step 6: Final answer
    x = 306,824.14

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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.