Home / 825,757-1,139,546.58-481,829.38

Finding the Fourth Proportional to 825,757, 1,139,546.58 and 481,829.38

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Solution

The fourth proportional to 825,757, 1,139,546.58 and 481,829.38 is: 664,925.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,757 : 1,139,546.58 = 481,829.38 : x
  2. Step 2: Convert to fraction form
    825,757/1,139,546.58 = 481,829.38/x
  3. Step 3: Cross multiply
    825,757x = 1,139,546.58 × 481,829.38
  4. Step 4: Simplify right side
    825,757x = 549,067,022,122.52
  5. Step 5: Solve for x
    x = 549,067,022,122.52/825,757
  6. Step 6: Final answer
    x = 664,925.66

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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.