Home / 2,011,914.80-3,017,872.20-664,285.40

Finding the Fourth Proportional to 2,011,914.80, 3,017,872.20 and 664,285.40

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Solution

The fourth proportional to 2,011,914.80, 3,017,872.20 and 664,285.40 is: 996,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011,914.80 : 3,017,872.20 = 664,285.40 : x
  2. Step 2: Convert to fraction form
    2,011,914.80/3,017,872.20 = 664,285.40/x
  3. Step 3: Cross multiply
    2,011,914.80x = 3,017,872.20 × 664,285.40
  4. Step 4: Simplify right side
    2,011,914.80x = 2,004,728,441,525.88
  5. Step 5: Solve for x
    x = 2,004,728,441,525.88/2,011,914.80
  6. Step 6: Final answer
    x = 996,428.10

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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.