Home / 619,589.80-929,423.58-198,856.36

Finding the Fourth Proportional to 619,589.80, 929,423.58 and 198,856.36

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Solution

The fourth proportional to 619,589.80, 929,423.58 and 198,856.36 is: 298,297.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,589.80 : 929,423.58 = 198,856.36 : x
  2. Step 2: Convert to fraction form
    619,589.80/929,423.58 = 198,856.36/x
  3. Step 3: Cross multiply
    619,589.80x = 929,423.58 × 198,856.36
  4. Step 4: Simplify right side
    619,589.80x = 184,821,790,016.97
  5. Step 5: Solve for x
    x = 184,821,790,016.97/619,589.80
  6. Step 6: Final answer
    x = 298,297.02

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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.