Home / 1,279,112.76-1,918,516.32-995,086.80

Finding the Fourth Proportional to 1,279,112.76, 1,918,516.32 and 995,086.80

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Solution

The fourth proportional to 1,279,112.76, 1,918,516.32 and 995,086.80 is: 1,492,511.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,112.76 : 1,918,516.32 = 995,086.80 : x
  2. Step 2: Convert to fraction form
    1,279,112.76/1,918,516.32 = 995,086.80/x
  3. Step 3: Cross multiply
    1,279,112.76x = 1,918,516.32 × 995,086.80
  4. Step 4: Simplify right side
    1,279,112.76x = 1,909,090,265,616.58
  5. Step 5: Solve for x
    x = 1,909,090,265,616.58/1,279,112.76
  6. Step 6: Final answer
    x = 1,492,511.31

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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.