Home / 961,610.09-1,326,932.87-531,880.97

Finding the Fourth Proportional to 961,610.09, 1,326,932.87 and 531,880.97

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Solution

The fourth proportional to 961,610.09, 1,326,932.87 and 531,880.97 is: 733,946.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,610.09 : 1,326,932.87 = 531,880.97 : x
  2. Step 2: Convert to fraction form
    961,610.09/1,326,932.87 = 531,880.97/x
  3. Step 3: Cross multiply
    961,610.09x = 1,326,932.87 × 531,880.97
  4. Step 4: Simplify right side
    961,610.09x = 705,770,332,726.42
  5. Step 5: Solve for x
    x = 705,770,332,726.42/961,610.09
  6. Step 6: Final answer
    x = 733,946.48

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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.