Home / 447,290.94-617,247.44-243,336.66

Finding the Fourth Proportional to 447,290.94, 617,247.44 and 243,336.66

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Solution

The fourth proportional to 447,290.94, 617,247.44 and 243,336.66 is: 335,796.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,290.94 : 617,247.44 = 243,336.66 : x
  2. Step 2: Convert to fraction form
    447,290.94/617,247.44 = 243,336.66/x
  3. Step 3: Cross multiply
    447,290.94x = 617,247.44 × 243,336.66
  4. Step 4: Simplify right side
    447,290.94x = 150,198,927,824.30
  5. Step 5: Solve for x
    x = 150,198,927,824.30/447,290.94
  6. Step 6: Final answer
    x = 335,796.93

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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.