Home / 967,978.43-1,335,755.39-538,249.33

Finding the Fourth Proportional to 967,978.43, 1,335,755.39 and 538,249.33

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Solution

The fourth proportional to 967,978.43, 1,335,755.39 and 538,249.33 is: 742,753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,978.43 : 1,335,755.39 = 538,249.33 : x
  2. Step 2: Convert to fraction form
    967,978.43/1,335,755.39 = 538,249.33/x
  3. Step 3: Cross multiply
    967,978.43x = 1,335,755.39 × 538,249.33
  4. Step 4: Simplify right side
    967,978.43x = 718,969,445,717.49
  5. Step 5: Solve for x
    x = 718,969,445,717.49/967,978.43
  6. Step 6: Final answer
    x = 742,753.58

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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.