Home / 447,241.31-617,175.20-243,292.49

Finding the Fourth Proportional to 447,241.31, 617,175.20 and 243,292.49

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Solution

The fourth proportional to 447,241.31, 617,175.20 and 243,292.49 is: 335,733.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,241.31 : 617,175.20 = 243,292.49 : x
  2. Step 2: Convert to fraction form
    447,241.31/617,175.20 = 243,292.49/x
  3. Step 3: Cross multiply
    447,241.31x = 617,175.20 × 243,292.49
  4. Step 4: Simplify right side
    447,241.31x = 150,154,089,957.79
  5. Step 5: Solve for x
    x = 150,154,089,957.79/447,241.31
  6. Step 6: Final answer
    x = 335,733.95

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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.