Home / 886,736.40-1,223,257.77-523,984.74

Finding the Fourth Proportional to 886,736.40, 1,223,257.77 and 523,984.74

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Solution

The fourth proportional to 886,736.40, 1,223,257.77 and 523,984.74 is: 722,839.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,736.40 : 1,223,257.77 = 523,984.74 : x
  2. Step 2: Convert to fraction form
    886,736.40/1,223,257.77 = 523,984.74/x
  3. Step 3: Cross multiply
    886,736.40x = 1,223,257.77 × 523,984.74
  4. Step 4: Simplify right side
    886,736.40x = 640,968,404,566.43
  5. Step 5: Solve for x
    x = 640,968,404,566.43/886,736.40
  6. Step 6: Final answer
    x = 722,839.85

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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.