Home / 961,182.57-1,326,338.43-531,403.85

Finding the Fourth Proportional to 961,182.57, 1,326,338.43 and 531,403.85

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Solution

The fourth proportional to 961,182.57, 1,326,338.43 and 531,403.85 is: 733,285.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,182.57 : 1,326,338.43 = 531,403.85 : x
  2. Step 2: Convert to fraction form
    961,182.57/1,326,338.43 = 531,403.85/x
  3. Step 3: Cross multiply
    961,182.57x = 1,326,338.43 × 531,403.85
  4. Step 4: Simplify right side
    961,182.57x = 704,821,345,447.94
  5. Step 5: Solve for x
    x = 704,821,345,447.94/961,182.57
  6. Step 6: Final answer
    x = 733,285.61

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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.