Home / 995,963.40-1,491,976.80-545,878.80

Finding the Fourth Proportional to 995,963.40, 1,491,976.80 and 545,878.80

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Solution

The fourth proportional to 995,963.40, 1,491,976.80 and 545,878.80 is: 817,739.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,963.40 : 1,491,976.80 = 545,878.80 : x
  2. Step 2: Convert to fraction form
    995,963.40/1,491,976.80 = 545,878.80/x
  3. Step 3: Cross multiply
    995,963.40x = 1,491,976.80 × 545,878.80
  4. Step 4: Simplify right side
    995,963.40x = 814,438,505,211.84
  5. Step 5: Solve for x
    x = 814,438,505,211.84/995,963.40
  6. Step 6: Final answer
    x = 817,739.39

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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.