Home / 961,007.66-1,326,218.25-531,315.47

Finding the Fourth Proportional to 961,007.66, 1,326,218.25 and 531,315.47

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Solution

The fourth proportional to 961,007.66, 1,326,218.25 and 531,315.47 is: 733,230.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,007.66 : 1,326,218.25 = 531,315.47 : x
  2. Step 2: Convert to fraction form
    961,007.66/1,326,218.25 = 531,315.47/x
  3. Step 3: Cross multiply
    961,007.66x = 1,326,218.25 × 531,315.47
  4. Step 4: Simplify right side
    961,007.66x = 704,640,266,190.24
  5. Step 5: Solve for x
    x = 704,640,266,190.24/961,007.66
  6. Step 6: Final answer
    x = 733,230.65

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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.