Home / 447,588.25-617,679.67-243,645.03

Finding the Fourth Proportional to 447,588.25, 617,679.67 and 243,645.03

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Solution

The fourth proportional to 447,588.25, 617,679.67 and 243,645.03 is: 336,234.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,588.25 : 617,679.67 = 243,645.03 : x
  2. Step 2: Convert to fraction form
    447,588.25/617,679.67 = 243,645.03/x
  3. Step 3: Cross multiply
    447,588.25x = 617,679.67 × 243,645.03
  4. Step 4: Simplify right side
    447,588.25x = 150,494,584,348.40
  5. Step 5: Solve for x
    x = 150,494,584,348.40/447,588.25
  6. Step 6: Final answer
    x = 336,234.44

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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.