Home / 335,968.20-503,369.10-217,578.60

Finding the Fourth Proportional to 335,968.20, 503,369.10 and 217,578.60

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Solution

The fourth proportional to 335,968.20, 503,369.10 and 217,578.60 is: 325,990.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,968.20 : 503,369.10 = 217,578.60 : x
  2. Step 2: Convert to fraction form
    335,968.20/503,369.10 = 217,578.60/x
  3. Step 3: Cross multiply
    335,968.20x = 503,369.10 × 217,578.60
  4. Step 4: Simplify right side
    335,968.20x = 109,522,344,061.26
  5. Step 5: Solve for x
    x = 109,522,344,061.26/335,968.20
  6. Step 6: Final answer
    x = 325,990.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.