Home / 1,025,694.78-1,538,607.83-394,608.59

Finding the Fourth Proportional to 1,025,694.78, 1,538,607.83 and 394,608.59

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Solution

The fourth proportional to 1,025,694.78, 1,538,607.83 and 394,608.59 is: 591,938.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,694.78 : 1,538,607.83 = 394,608.59 : x
  2. Step 2: Convert to fraction form
    1,025,694.78/1,538,607.83 = 394,608.59/x
  3. Step 3: Cross multiply
    1,025,694.78x = 1,538,607.83 × 394,608.59
  4. Step 4: Simplify right side
    1,025,694.78x = 607,147,856,693.18
  5. Step 5: Solve for x
    x = 607,147,856,693.18/1,025,694.78
  6. Step 6: Final answer
    x = 591,938.14

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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.