Home / 876,072.96-1,208,979-494,098.56

Finding the Fourth Proportional to 876,072.96, 1,208,979 and 494,098.56

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Solution

The fourth proportional to 876,072.96, 1,208,979 and 494,098.56 is: 681,855.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,072.96 : 1,208,979 = 494,098.56 : x
  2. Step 2: Convert to fraction form
    876,072.96/1,208,979 = 494,098.56/x
  3. Step 3: Cross multiply
    876,072.96x = 1,208,979 × 494,098.56
  4. Step 4: Simplify right side
    876,072.96x = 597,354,782,970.24
  5. Step 5: Solve for x
    x = 597,354,782,970.24/876,072.96
  6. Step 6: Final answer
    x = 681,855.06

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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.