Home / 766,194.84-1,057,372.92-422,055.72

Finding the Fourth Proportional to 766,194.84, 1,057,372.92 and 422,055.72

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Solution

The fourth proportional to 766,194.84, 1,057,372.92 and 422,055.72 is: 582,450.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,194.84 : 1,057,372.92 = 422,055.72 : x
  2. Step 2: Convert to fraction form
    766,194.84/1,057,372.92 = 422,055.72/x
  3. Step 3: Cross multiply
    766,194.84x = 1,057,372.92 × 422,055.72
  4. Step 4: Simplify right side
    766,194.84x = 446,270,289,059.10
  5. Step 5: Solve for x
    x = 446,270,289,059.10/766,194.84
  6. Step 6: Final answer
    x = 582,450.14

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Double scale
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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.