Home / 729,495.31-1,004,475.01-661,067.09

Finding the Fourth Proportional to 729,495.31, 1,004,475.01 and 661,067.09

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Solution

The fourth proportional to 729,495.31, 1,004,475.01 and 661,067.09 is: 910,253.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,495.31 : 1,004,475.01 = 661,067.09 : x
  2. Step 2: Convert to fraction form
    729,495.31/1,004,475.01 = 661,067.09/x
  3. Step 3: Cross multiply
    729,495.31x = 1,004,475.01 × 661,067.09
  4. Step 4: Simplify right side
    729,495.31x = 664,025,373,523.82
  5. Step 5: Solve for x
    x = 664,025,373,523.82/729,495.31
  6. Step 6: Final answer
    x = 910,253.11

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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.