Home / 812,141.96-1,120,785.78-444,644.84

Finding the Fourth Proportional to 812,141.96, 1,120,785.78 and 444,644.84

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Solution

The fourth proportional to 812,141.96, 1,120,785.78 and 444,644.84 is: 613,626.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,141.96 : 1,120,785.78 = 444,644.84 : x
  2. Step 2: Convert to fraction form
    812,141.96/1,120,785.78 = 444,644.84/x
  3. Step 3: Cross multiply
    812,141.96x = 1,120,785.78 × 444,644.84
  4. Step 4: Simplify right side
    812,141.96x = 498,351,613,822.38
  5. Step 5: Solve for x
    x = 498,351,613,822.38/812,141.96
  6. Step 6: Final answer
    x = 613,626.24

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Double scale
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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.