Home / 447,116.72-617,015.10-243,163.25

Finding the Fourth Proportional to 447,116.72, 617,015.10 and 243,163.25

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Solution

The fourth proportional to 447,116.72, 617,015.10 and 243,163.25 is: 335,562.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,116.72 : 617,015.10 = 243,163.25 : x
  2. Step 2: Convert to fraction form
    447,116.72/617,015.10 = 243,163.25/x
  3. Step 3: Cross multiply
    447,116.72x = 617,015.10 × 243,163.25
  4. Step 4: Simplify right side
    447,116.72x = 150,035,393,930.00
  5. Step 5: Solve for x
    x = 150,035,393,930.00/447,116.72
  6. Step 6: Final answer
    x = 335,562.03

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1.5x scale

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.