Home / 330,821.20-496,231.80-241,656.40

Finding the Fourth Proportional to 330,821.20, 496,231.80 and 241,656.40

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Solution

The fourth proportional to 330,821.20, 496,231.80 and 241,656.40 is: 362,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,821.20 : 496,231.80 = 241,656.40 : x
  2. Step 2: Convert to fraction form
    330,821.20/496,231.80 = 241,656.40/x
  3. Step 3: Cross multiply
    330,821.20x = 496,231.80 × 241,656.40
  4. Step 4: Simplify right side
    330,821.20x = 119,917,590,353.52
  5. Step 5: Solve for x
    x = 119,917,590,353.52/330,821.20
  6. Step 6: Final answer
    x = 362,484.60

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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.