Home / 828,968.64-1,243,453.44-330,682.56

Finding the Fourth Proportional to 828,968.64, 1,243,453.44 and 330,682.56

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Solution

The fourth proportional to 828,968.64, 1,243,453.44 and 330,682.56 is: 496,024.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,968.64 : 1,243,453.44 = 330,682.56 : x
  2. Step 2: Convert to fraction form
    828,968.64/1,243,453.44 = 330,682.56/x
  3. Step 3: Cross multiply
    828,968.64x = 1,243,453.44 × 330,682.56
  4. Step 4: Simplify right side
    828,968.64x = 411,188,366,780.01
  5. Step 5: Solve for x
    x = 411,188,366,780.01/828,968.64
  6. Step 6: Final answer
    x = 496,024.03

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Double scale
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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.