Home / 967,789.82-1,335,473.94-538,043.78

Finding the Fourth Proportional to 967,789.82, 1,335,473.94 and 538,043.78

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Solution

The fourth proportional to 967,789.82, 1,335,473.94 and 538,043.78 is: 742,458.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,789.82 : 1,335,473.94 = 538,043.78 : x
  2. Step 2: Convert to fraction form
    967,789.82/1,335,473.94 = 538,043.78/x
  3. Step 3: Cross multiply
    967,789.82x = 1,335,473.94 × 538,043.78
  4. Step 4: Simplify right side
    967,789.82x = 718,543,446,769.09
  5. Step 5: Solve for x
    x = 718,543,446,769.09/967,789.82
  6. Step 6: Final answer
    x = 742,458.16

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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.