Home / 439,945.80-659,789.10-173,617.80

Finding the Fourth Proportional to 439,945.80, 659,789.10 and 173,617.80

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Solution

The fourth proportional to 439,945.80, 659,789.10 and 173,617.80 is: 260,375.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,945.80 : 659,789.10 = 173,617.80 : x
  2. Step 2: Convert to fraction form
    439,945.80/659,789.10 = 173,617.80/x
  3. Step 3: Cross multiply
    439,945.80x = 659,789.10 × 173,617.80
  4. Step 4: Simplify right side
    439,945.80x = 114,551,132,005.98
  5. Step 5: Solve for x
    x = 114,551,132,005.98/439,945.80
  6. Step 6: Final answer
    x = 260,375.56

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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.