Home / 419,966.44-629,327.34-345,614.92

Finding the Fourth Proportional to 419,966.44, 629,327.34 and 345,614.92

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Solution

The fourth proportional to 419,966.44, 629,327.34 and 345,614.92 is: 517,910.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,966.44 : 629,327.34 = 345,614.92 : x
  2. Step 2: Convert to fraction form
    419,966.44/629,327.34 = 345,614.92/x
  3. Step 3: Cross multiply
    419,966.44x = 629,327.34 × 345,614.92
  4. Step 4: Simplify right side
    419,966.44x = 217,504,918,267.91
  5. Step 5: Solve for x
    x = 217,504,918,267.91/419,966.44
  6. Step 6: Final answer
    x = 517,910.24

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1.5x scale

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.