Home / 330,976.49-496,538.55-120,614.43

Finding the Fourth Proportional to 330,976.49, 496,538.55 and 120,614.43

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Solution

The fourth proportional to 330,976.49, 496,538.55 and 120,614.43 is: 180,948.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,976.49 : 496,538.55 = 120,614.43 : x
  2. Step 2: Convert to fraction form
    330,976.49/496,538.55 = 120,614.43/x
  3. Step 3: Cross multiply
    330,976.49x = 496,538.55 × 120,614.43
  4. Step 4: Simplify right side
    330,976.49x = 59,889,714,181.28
  5. Step 5: Solve for x
    x = 59,889,714,181.28/330,976.49
  6. Step 6: Final answer
    x = 180,948.54

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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.