Home / 5,388,339.60-8,082,509.40-1,601,330.40

Finding the Fourth Proportional to 5,388,339.60, 8,082,509.40 and 1,601,330.40

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Solution

The fourth proportional to 5,388,339.60, 8,082,509.40 and 1,601,330.40 is: 2,401,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,339.60 : 8,082,509.40 = 1,601,330.40 : x
  2. Step 2: Convert to fraction form
    5,388,339.60/8,082,509.40 = 1,601,330.40/x
  3. Step 3: Cross multiply
    5,388,339.60x = 8,082,509.40 × 1,601,330.40
  4. Step 4: Simplify right side
    5,388,339.60x = 12,942,768,010,505.76
  5. Step 5: Solve for x
    x = 12,942,768,010,505.76/5,388,339.60
  6. Step 6: Final answer
    x = 2,401,995.60

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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.