Home / 330,977.50-496,540.04-120,615.42

Finding the Fourth Proportional to 330,977.50, 496,540.04 and 120,615.42

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Solution

The fourth proportional to 330,977.50, 496,540.04 and 120,615.42 is: 180,950.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,977.50 : 496,540.04 = 120,615.42 : x
  2. Step 2: Convert to fraction form
    330,977.50/496,540.04 = 120,615.42/x
  3. Step 3: Cross multiply
    330,977.50x = 496,540.04 × 120,615.42
  4. Step 4: Simplify right side
    330,977.50x = 59,890,385,471.42
  5. Step 5: Solve for x
    x = 59,890,385,471.42/330,977.50
  6. Step 6: Final answer
    x = 180,950.02

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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.