Home / 995,486.80-1,493,230.20-659,563.60

Finding the Fourth Proportional to 995,486.80, 1,493,230.20 and 659,563.60

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Solution

The fourth proportional to 995,486.80, 1,493,230.20 and 659,563.60 is: 989,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,486.80 : 1,493,230.20 = 659,563.60 : x
  2. Step 2: Convert to fraction form
    995,486.80/1,493,230.20 = 659,563.60/x
  3. Step 3: Cross multiply
    995,486.80x = 1,493,230.20 × 659,563.60
  4. Step 4: Simplify right side
    995,486.80x = 984,880,286,340.72
  5. Step 5: Solve for x
    x = 984,880,286,340.72/995,486.80
  6. Step 6: Final answer
    x = 989,345.40

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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.