Home / 4,678,817.70-7,018,226.55-1,646,651.55

Finding the Fourth Proportional to 4,678,817.70, 7,018,226.55 and 1,646,651.55

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Solution

The fourth proportional to 4,678,817.70, 7,018,226.55 and 1,646,651.55 is: 2,469,977.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,817.70 : 7,018,226.55 = 1,646,651.55 : x
  2. Step 2: Convert to fraction form
    4,678,817.70/7,018,226.55 = 1,646,651.55/x
  3. Step 3: Cross multiply
    4,678,817.70x = 7,018,226.55 × 1,646,651.55
  4. Step 4: Simplify right side
    4,678,817.70x = 11,556,573,626,808.65
  5. Step 5: Solve for x
    x = 11,556,573,626,808.65/4,678,817.70
  6. Step 6: Final answer
    x = 2,469,977.33

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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.