Home / 619,350.80-929,026.20-198,669.20

Finding the Fourth Proportional to 619,350.80, 929,026.20 and 198,669.20

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Solution

The fourth proportional to 619,350.80, 929,026.20 and 198,669.20 is: 298,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,350.80 : 929,026.20 = 198,669.20 : x
  2. Step 2: Convert to fraction form
    619,350.80/929,026.20 = 198,669.20/x
  3. Step 3: Cross multiply
    619,350.80x = 929,026.20 × 198,669.20
  4. Step 4: Simplify right side
    619,350.80x = 184,568,891,933.04
  5. Step 5: Solve for x
    x = 184,568,891,933.04/619,350.80
  6. Step 6: Final answer
    x = 298,003.80

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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.