Home / 5,388,600.20-8,082,900.30-4,432,006.40

Finding the Fourth Proportional to 5,388,600.20, 8,082,900.30 and 4,432,006.40

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Solution

The fourth proportional to 5,388,600.20, 8,082,900.30 and 4,432,006.40 is: 6,648,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,600.20 : 8,082,900.30 = 4,432,006.40 : x
  2. Step 2: Convert to fraction form
    5,388,600.20/8,082,900.30 = 4,432,006.40/x
  3. Step 3: Cross multiply
    5,388,600.20x = 8,082,900.30 × 4,432,006.40
  4. Step 4: Simplify right side
    5,388,600.20x = 35,823,465,860,161.92
  5. Step 5: Solve for x
    x = 35,823,465,860,161.92/5,388,600.20
  6. Step 6: Final answer
    x = 6,648,009.60

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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.