Home / 812,183.17-1,120,825.99-444,654.11

Finding the Fourth Proportional to 812,183.17, 1,120,825.99 and 444,654.11

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Solution

The fourth proportional to 812,183.17, 1,120,825.99 and 444,654.11 is: 613,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,183.17 : 1,120,825.99 = 444,654.11 : x
  2. Step 2: Convert to fraction form
    812,183.17/1,120,825.99 = 444,654.11/x
  3. Step 3: Cross multiply
    812,183.17x = 1,120,825.99 × 444,654.11
  4. Step 4: Simplify right side
    812,183.17x = 498,379,878,000.01
  5. Step 5: Solve for x
    x = 498,379,878,000.01/812,183.17
  6. Step 6: Final answer
    x = 613,629.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.