Home / 682,704.20-941,740.08-396,187.76

Finding the Fourth Proportional to 682,704.20, 941,740.08 and 396,187.76

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Solution

The fourth proportional to 682,704.20, 941,740.08 and 396,187.76 is: 546,511.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,704.20 : 941,740.08 = 396,187.76 : x
  2. Step 2: Convert to fraction form
    682,704.20/941,740.08 = 396,187.76/x
  3. Step 3: Cross multiply
    682,704.20x = 941,740.08 × 396,187.76
  4. Step 4: Simplify right side
    682,704.20x = 373,105,892,797.42
  5. Step 5: Solve for x
    x = 373,105,892,797.42/682,704.20
  6. Step 6: Final answer
    x = 546,511.79

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1.5x scale

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.