Home / 1,638,761.22-2,261,491.92-913,594.41

Finding the Fourth Proportional to 1,638,761.22, 2,261,491.92 and 913,594.41

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Solution

The fourth proportional to 1,638,761.22, 2,261,491.92 and 913,594.41 is: 1,260,761.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,761.22 : 2,261,491.92 = 913,594.41 : x
  2. Step 2: Convert to fraction form
    1,638,761.22/2,261,491.92 = 913,594.41/x
  3. Step 3: Cross multiply
    1,638,761.22x = 2,261,491.92 × 913,594.41
  4. Step 4: Simplify right side
    1,638,761.22x = 2,066,086,376,372.17
  5. Step 5: Solve for x
    x = 2,066,086,376,372.17/1,638,761.22
  6. Step 6: Final answer
    x = 1,260,761.09

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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.