Home / 995,039.40-1,491,028.20-741,128.70

Finding the Fourth Proportional to 995,039.40, 1,491,028.20 and 741,128.70

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Solution

The fourth proportional to 995,039.40, 1,491,028.20 and 741,128.70 is: 1,110,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,039.40 : 1,491,028.20 = 741,128.70 : x
  2. Step 2: Convert to fraction form
    995,039.40/1,491,028.20 = 741,128.70/x
  3. Step 3: Cross multiply
    995,039.40x = 1,491,028.20 × 741,128.70
  4. Step 4: Simplify right side
    995,039.40x = 1,105,043,791,529.34
  5. Step 5: Solve for x
    x = 1,105,043,791,529.34/995,039.40
  6. Step 6: Final answer
    x = 1,110,552.80

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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.