Home / 681,007.52-1,021,156.56-254,192.36

Finding the Fourth Proportional to 681,007.52, 1,021,156.56 and 254,192.36

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Solution

The fourth proportional to 681,007.52, 1,021,156.56 and 254,192.36 is: 381,156.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,007.52 : 1,021,156.56 = 254,192.36 : x
  2. Step 2: Convert to fraction form
    681,007.52/1,021,156.56 = 254,192.36/x
  3. Step 3: Cross multiply
    681,007.52x = 1,021,156.56 × 254,192.36
  4. Step 4: Simplify right side
    681,007.52x = 259,570,195,915.88
  5. Step 5: Solve for x
    x = 259,570,195,915.88/681,007.52
  6. Step 6: Final answer
    x = 381,156.14

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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.