Home / 923,410.10-1,384,940.19-324,230.42

Finding the Fourth Proportional to 923,410.10, 1,384,940.19 and 324,230.42

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Solution

The fourth proportional to 923,410.10, 1,384,940.19 and 324,230.42 is: 486,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,410.10 : 1,384,940.19 = 324,230.42 : x
  2. Step 2: Convert to fraction form
    923,410.10/1,384,940.19 = 324,230.42/x
  3. Step 3: Cross multiply
    923,410.10x = 1,384,940.19 × 324,230.42
  4. Step 4: Simplify right side
    923,410.10x = 449,039,739,478.58
  5. Step 5: Solve for x
    x = 449,039,739,478.58/923,410.10
  6. Step 6: Final answer
    x = 486,284.20

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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.