Home / 995,406.20-1,493,109.30-743,463.80

Finding the Fourth Proportional to 995,406.20, 1,493,109.30 and 743,463.80

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Solution

The fourth proportional to 995,406.20, 1,493,109.30 and 743,463.80 is: 1,115,195.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,406.20 : 1,493,109.30 = 743,463.80 : x
  2. Step 2: Convert to fraction form
    995,406.20/1,493,109.30 = 743,463.80/x
  3. Step 3: Cross multiply
    995,406.20x = 1,493,109.30 × 743,463.80
  4. Step 4: Simplify right side
    995,406.20x = 1,110,072,713,993.34
  5. Step 5: Solve for x
    x = 1,110,072,713,993.34/995,406.20
  6. Step 6: Final answer
    x = 1,115,195.70

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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.