Home / 447,222.97-617,178.96-243,285.34

Finding the Fourth Proportional to 447,222.97, 617,178.96 and 243,285.34

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Solution

The fourth proportional to 447,222.97, 617,178.96 and 243,285.34 is: 335,739.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,222.97 : 617,178.96 = 243,285.34 : x
  2. Step 2: Convert to fraction form
    447,222.97/617,178.96 = 243,285.34/x
  3. Step 3: Cross multiply
    447,222.97x = 617,178.96 × 243,285.34
  4. Step 4: Simplify right side
    447,222.97x = 150,150,593,124.45
  5. Step 5: Solve for x
    x = 150,150,593,124.45/447,222.97
  6. Step 6: Final answer
    x = 335,739.90

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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.