Home / 411,976.20-617,964.30-293,003.40

Finding the Fourth Proportional to 411,976.20, 617,964.30 and 293,003.40

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Solution

The fourth proportional to 411,976.20, 617,964.30 and 293,003.40 is: 439,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,976.20 : 617,964.30 = 293,003.40 : x
  2. Step 2: Convert to fraction form
    411,976.20/617,964.30 = 293,003.40/x
  3. Step 3: Cross multiply
    411,976.20x = 617,964.30 × 293,003.40
  4. Step 4: Simplify right side
    411,976.20x = 181,065,640,978.62
  5. Step 5: Solve for x
    x = 181,065,640,978.62/411,976.20
  6. Step 6: Final answer
    x = 439,505.10

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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.