Home / 411,976.62-617,465.90-174,821.10

Finding the Fourth Proportional to 411,976.62, 617,465.90 and 174,821.10

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Solution

The fourth proportional to 411,976.62, 617,465.90 and 174,821.10 is: 262,019.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,976.62 : 617,465.90 = 174,821.10 : x
  2. Step 2: Convert to fraction form
    411,976.62/617,465.90 = 174,821.10/x
  3. Step 3: Cross multiply
    411,976.62x = 617,465.90 × 174,821.10
  4. Step 4: Simplify right side
    411,976.62x = 107,946,067,850.49
  5. Step 5: Solve for x
    x = 107,946,067,850.49/411,976.62
  6. Step 6: Final answer
    x = 262,019.89

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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.