Home / 995,127.43-1,372,190.61-672,276.96

Finding the Fourth Proportional to 995,127.43, 1,372,190.61 and 672,276.96

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Solution

The fourth proportional to 995,127.43, 1,372,190.61 and 672,276.96 is: 927,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,127.43 : 1,372,190.61 = 672,276.96 : x
  2. Step 2: Convert to fraction form
    995,127.43/1,372,190.61 = 672,276.96/x
  3. Step 3: Cross multiply
    995,127.43x = 1,372,190.61 × 672,276.96
  4. Step 4: Simplify right side
    995,127.43x = 922,492,131,831.35
  5. Step 5: Solve for x
    x = 922,492,131,831.35/995,127.43
  6. Step 6: Final answer
    x = 927,009.05

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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.