Home / 847,111.97-1,270,668.41-531,790.31

Finding the Fourth Proportional to 847,111.97, 1,270,668.41 and 531,790.31

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Solution

The fourth proportional to 847,111.97, 1,270,668.41 and 531,790.31 is: 797,685.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,111.97 : 1,270,668.41 = 531,790.31 : x
  2. Step 2: Convert to fraction form
    847,111.97/1,270,668.41 = 531,790.31/x
  3. Step 3: Cross multiply
    847,111.97x = 1,270,668.41 × 531,790.31
  4. Step 4: Simplify right side
    847,111.97x = 675,729,147,661.11
  5. Step 5: Solve for x
    x = 675,729,147,661.11/847,111.97
  6. Step 6: Final answer
    x = 797,685.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.