Home / 461,789.10-637,414.11-270,879.66

Finding the Fourth Proportional to 461,789.10, 637,414.11 and 270,879.66

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Solution

The fourth proportional to 461,789.10, 637,414.11 and 270,879.66 is: 373,899.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,789.10 : 637,414.11 = 270,879.66 : x
  2. Step 2: Convert to fraction form
    461,789.10/637,414.11 = 270,879.66/x
  3. Step 3: Cross multiply
    461,789.10x = 637,414.11 × 270,879.66
  4. Step 4: Simplify right side
    461,789.10x = 172,662,517,396.00
  5. Step 5: Solve for x
    x = 172,662,517,396.00/461,789.10
  6. Step 6: Final answer
    x = 373,899.08

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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.