Home / 931,147.25-1,397,698.18-825,208.97

Finding the Fourth Proportional to 931,147.25, 1,397,698.18 and 825,208.97

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Solution

The fourth proportional to 931,147.25, 1,397,698.18 and 825,208.97 is: 1,238,679.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,147.25 : 1,397,698.18 = 825,208.97 : x
  2. Step 2: Convert to fraction form
    931,147.25/1,397,698.18 = 825,208.97/x
  3. Step 3: Cross multiply
    931,147.25x = 1,397,698.18 × 825,208.97
  4. Step 4: Simplify right side
    931,147.25x = 1,153,393,076,320.33
  5. Step 5: Solve for x
    x = 1,153,393,076,320.33/931,147.25
  6. Step 6: Final answer
    x = 1,238,679.57

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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.