Home / 995,131.44-1,372,196.12-672,280.96

Finding the Fourth Proportional to 995,131.44, 1,372,196.12 and 672,280.96

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Solution

The fourth proportional to 995,131.44, 1,372,196.12 and 672,280.96 is: 927,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,131.44 : 1,372,196.12 = 672,280.96 : x
  2. Step 2: Convert to fraction form
    995,131.44/1,372,196.12 = 672,280.96/x
  3. Step 3: Cross multiply
    995,131.44x = 1,372,196.12 × 672,280.96
  4. Step 4: Simplify right side
    995,131.44x = 922,501,324,861.88
  5. Step 5: Solve for x
    x = 922,501,324,861.88/995,131.44
  6. Step 6: Final answer
    x = 927,014.55

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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.