Home / 748,635.84-1,033,166.56-422,029.44

Finding the Fourth Proportional to 748,635.84, 1,033,166.56 and 422,029.44

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Solution

The fourth proportional to 748,635.84, 1,033,166.56 and 422,029.44 is: 582,428.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,635.84 : 1,033,166.56 = 422,029.44 : x
  2. Step 2: Convert to fraction form
    748,635.84/1,033,166.56 = 422,029.44/x
  3. Step 3: Cross multiply
    748,635.84x = 1,033,166.56 × 422,029.44
  4. Step 4: Simplify right side
    748,635.84x = 436,026,704,743.53
  5. Step 5: Solve for x
    x = 436,026,704,743.53/748,635.84
  6. Step 6: Final answer
    x = 582,428.31

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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.