Home / 7,764,800.40-11,647,200.60-6,394,863.60

Finding the Fourth Proportional to 7,764,800.40, 11,647,200.60 and 6,394,863.60

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Solution

The fourth proportional to 7,764,800.40, 11,647,200.60 and 6,394,863.60 is: 9,592,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764,800.40 : 11,647,200.60 = 6,394,863.60 : x
  2. Step 2: Convert to fraction form
    7,764,800.40/11,647,200.60 = 6,394,863.60/x
  3. Step 3: Cross multiply
    7,764,800.40x = 11,647,200.60 × 6,394,863.60
  4. Step 4: Simplify right side
    7,764,800.40x = 74,482,259,158,838.16
  5. Step 5: Solve for x
    x = 74,482,259,158,838.16/7,764,800.40
  6. Step 6: Final answer
    x = 9,592,295.40

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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.