Home / 325,231.20-487,846.80-301,611.60

Finding the Fourth Proportional to 325,231.20, 487,846.80 and 301,611.60

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Solution

The fourth proportional to 325,231.20, 487,846.80 and 301,611.60 is: 452,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,231.20 : 487,846.80 = 301,611.60 : x
  2. Step 2: Convert to fraction form
    325,231.20/487,846.80 = 301,611.60/x
  3. Step 3: Cross multiply
    325,231.20x = 487,846.80 × 301,611.60
  4. Step 4: Simplify right side
    325,231.20x = 147,140,253,902.88
  5. Step 5: Solve for x
    x = 147,140,253,902.88/325,231.20
  6. Step 6: Final answer
    x = 452,417.40

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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.