Home / 6,453,996.80-9,679,958.40-1,965,228.80

Finding the Fourth Proportional to 6,453,996.80, 9,679,958.40 and 1,965,228.80

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Solution

The fourth proportional to 6,453,996.80, 9,679,958.40 and 1,965,228.80 is: 2,947,527.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453,996.80 : 9,679,958.40 = 1,965,228.80 : x
  2. Step 2: Convert to fraction form
    6,453,996.80/9,679,958.40 = 1,965,228.80/x
  3. Step 3: Cross multiply
    6,453,996.80x = 9,679,958.40 × 1,965,228.80
  4. Step 4: Simplify right side
    6,453,996.80x = 19,023,333,030,481.92
  5. Step 5: Solve for x
    x = 19,023,333,030,481.92/6,453,996.80
  6. Step 6: Final answer
    x = 2,947,527.50

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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.