Home / 4,700,817.38-6,485,120.33-3,247,990.54

Finding the Fourth Proportional to 4,700,817.38, 6,485,120.33 and 3,247,990.54

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Solution

The fourth proportional to 4,700,817.38, 6,485,120.33 and 3,247,990.54 is: 4,480,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,700,817.38 : 6,485,120.33 = 3,247,990.54 : x
  2. Step 2: Convert to fraction form
    4,700,817.38/6,485,120.33 = 3,247,990.54/x
  3. Step 3: Cross multiply
    4,700,817.38x = 6,485,120.33 × 3,247,990.54
  4. Step 4: Simplify right side
    4,700,817.38x = 21,063,609,474,508.85
  5. Step 5: Solve for x
    x = 21,063,609,474,508.85/4,700,817.38
  6. Step 6: Final answer
    x = 4,480,839.78

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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.