Home / 864,166.60-1,296,249.90-835,136.20

Finding the Fourth Proportional to 864,166.60, 1,296,249.90 and 835,136.20

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Solution

The fourth proportional to 864,166.60, 1,296,249.90 and 835,136.20 is: 1,252,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,166.60 : 1,296,249.90 = 835,136.20 : x
  2. Step 2: Convert to fraction form
    864,166.60/1,296,249.90 = 835,136.20/x
  3. Step 3: Cross multiply
    864,166.60x = 1,296,249.90 × 835,136.20
  4. Step 4: Simplify right side
    864,166.60x = 1,082,545,215,736.38
  5. Step 5: Solve for x
    x = 1,082,545,215,736.38/864,166.60
  6. Step 6: Final answer
    x = 1,252,704.30

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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.