Home / 641,333.67-885,563.64-412,004.85

Finding the Fourth Proportional to 641,333.67, 885,563.64 and 412,004.85

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Solution

The fourth proportional to 641,333.67, 885,563.64 and 412,004.85 is: 568,902.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,333.67 : 885,563.64 = 412,004.85 : x
  2. Step 2: Convert to fraction form
    641,333.67/885,563.64 = 412,004.85/x
  3. Step 3: Cross multiply
    641,333.67x = 885,563.64 × 412,004.85
  4. Step 4: Simplify right side
    641,333.67x = 364,856,514,663.65
  5. Step 5: Solve for x
    x = 364,856,514,663.65/641,333.67
  6. Step 6: Final answer
    x = 568,902.79

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1.5x scale

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.