Home / 1,297,455.60-1,946,183.40-1,238,406.60

Finding the Fourth Proportional to 1,297,455.60, 1,946,183.40 and 1,238,406.60

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Solution

The fourth proportional to 1,297,455.60, 1,946,183.40 and 1,238,406.60 is: 1,857,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,455.60 : 1,946,183.40 = 1,238,406.60 : x
  2. Step 2: Convert to fraction form
    1,297,455.60/1,946,183.40 = 1,238,406.60/x
  3. Step 3: Cross multiply
    1,297,455.60x = 1,946,183.40 × 1,238,406.60
  4. Step 4: Simplify right side
    1,297,455.60x = 2,410,166,367,370.44
  5. Step 5: Solve for x
    x = 2,410,166,367,370.44/1,297,455.60
  6. Step 6: Final answer
    x = 1,857,609.90

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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.