Home / 330,966.32-496,449.47-231,321.12

Finding the Fourth Proportional to 330,966.32, 496,449.47 and 231,321.12

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Solution

The fourth proportional to 330,966.32, 496,449.47 and 231,321.12 is: 346,981.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,966.32 : 496,449.47 = 231,321.12 : x
  2. Step 2: Convert to fraction form
    330,966.32/496,449.47 = 231,321.12/x
  3. Step 3: Cross multiply
    330,966.32x = 496,449.47 × 231,321.12
  4. Step 4: Simplify right side
    330,966.32x = 114,839,246,267.20
  5. Step 5: Solve for x
    x = 114,839,246,267.20/330,966.32
  6. Step 6: Final answer
    x = 346,981.67

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Double scale
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Similar ratio
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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.