Home / 664,416.37-996,769.90-215,182.65

Finding the Fourth Proportional to 664,416.37, 996,769.90 and 215,182.65

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Solution

The fourth proportional to 664,416.37, 996,769.90 and 215,182.65 is: 322,821.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,416.37 : 996,769.90 = 215,182.65 : x
  2. Step 2: Convert to fraction form
    664,416.37/996,769.90 = 215,182.65/x
  3. Step 3: Cross multiply
    664,416.37x = 996,769.90 × 215,182.65
  4. Step 4: Simplify right side
    664,416.37x = 214,487,585,711.87
  5. Step 5: Solve for x
    x = 214,487,585,711.87/664,416.37
  6. Step 6: Final answer
    x = 322,821.04

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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.