Home / 5,388,567.70-8,082,851.55-4,431,973.90

Finding the Fourth Proportional to 5,388,567.70, 8,082,851.55 and 4,431,973.90

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Solution

The fourth proportional to 5,388,567.70, 8,082,851.55 and 4,431,973.90 is: 6,647,960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,567.70 : 8,082,851.55 = 4,431,973.90 : x
  2. Step 2: Convert to fraction form
    5,388,567.70/8,082,851.55 = 4,431,973.90/x
  3. Step 3: Cross multiply
    5,388,567.70x = 8,082,851.55 × 4,431,973.90
  4. Step 4: Simplify right side
    5,388,567.70x = 35,822,987,107,174.55
  5. Step 5: Solve for x
    x = 35,822,987,107,174.55/5,388,567.70
  6. Step 6: Final answer
    x = 6,647,960.85

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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.