Home / 6,309,453.20-9,464,179.80-3,916,000.40

Finding the Fourth Proportional to 6,309,453.20, 9,464,179.80 and 3,916,000.40

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Solution

The fourth proportional to 6,309,453.20, 9,464,179.80 and 3,916,000.40 is: 5,874,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,309,453.20 : 9,464,179.80 = 3,916,000.40 : x
  2. Step 2: Convert to fraction form
    6,309,453.20/9,464,179.80 = 3,916,000.40/x
  3. Step 3: Cross multiply
    6,309,453.20x = 9,464,179.80 × 3,916,000.40
  4. Step 4: Simplify right side
    6,309,453.20x = 37,061,731,882,471.92
  5. Step 5: Solve for x
    x = 37,061,731,882,471.92/6,309,453.20
  6. Step 6: Final answer
    x = 5,874,000.60

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Double scale
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Similar ratio
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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.