Home / 665,230.20-997,845.30-613,908.60

Finding the Fourth Proportional to 665,230.20, 997,845.30 and 613,908.60

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Solution

The fourth proportional to 665,230.20, 997,845.30 and 613,908.60 is: 920,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,230.20 : 997,845.30 = 613,908.60 : x
  2. Step 2: Convert to fraction form
    665,230.20/997,845.30 = 613,908.60/x
  3. Step 3: Cross multiply
    665,230.20x = 997,845.30 × 613,908.60
  4. Step 4: Simplify right side
    665,230.20x = 612,585,811,139.58
  5. Step 5: Solve for x
    x = 612,585,811,139.58/665,230.20
  6. Step 6: Final answer
    x = 920,862.90

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1.5x scale

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.