Home / 812,573.88-1,219,327.56-634,581.24

Finding the Fourth Proportional to 812,573.88, 1,219,327.56 and 634,581.24

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Solution

The fourth proportional to 812,573.88, 1,219,327.56 and 634,581.24 is: 952,236.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,573.88 : 1,219,327.56 = 634,581.24 : x
  2. Step 2: Convert to fraction form
    812,573.88/1,219,327.56 = 634,581.24/x
  3. Step 3: Cross multiply
    812,573.88x = 1,219,327.56 × 634,581.24
  4. Step 4: Simplify right side
    812,573.88x = 773,762,394,990.97
  5. Step 5: Solve for x
    x = 773,762,394,990.97/812,573.88
  6. Step 6: Final answer
    x = 952,236.36

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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.