Home / 756,345.69-1,043,757.24-412,181.73

Finding the Fourth Proportional to 756,345.69, 1,043,757.24 and 412,181.73

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Solution

The fourth proportional to 756,345.69, 1,043,757.24 and 412,181.73 is: 568,810.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,345.69 : 1,043,757.24 = 412,181.73 : x
  2. Step 2: Convert to fraction form
    756,345.69/1,043,757.24 = 412,181.73/x
  3. Step 3: Cross multiply
    756,345.69x = 1,043,757.24 × 412,181.73
  4. Step 4: Simplify right side
    756,345.69x = 430,217,664,883.23
  5. Step 5: Solve for x
    x = 430,217,664,883.23/756,345.69
  6. Step 6: Final answer
    x = 568,810.89

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.