Home / 987,067.56-1,362,156.30-534,357.48

Finding the Fourth Proportional to 987,067.56, 1,362,156.30 and 534,357.48

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Solution

The fourth proportional to 987,067.56, 1,362,156.30 and 534,357.48 is: 737,414.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,067.56 : 1,362,156.30 = 534,357.48 : x
  2. Step 2: Convert to fraction form
    987,067.56/1,362,156.30 = 534,357.48/x
  3. Step 3: Cross multiply
    987,067.56x = 1,362,156.30 × 534,357.48
  4. Step 4: Simplify right side
    987,067.56x = 727,878,407,834.12
  5. Step 5: Solve for x
    x = 727,878,407,834.12/987,067.56
  6. Step 6: Final answer
    x = 737,414.98

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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.