Home / 500,108.42-690,166.24-273,753.92

Finding the Fourth Proportional to 500,108.42, 690,166.24 and 273,753.92

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Solution

The fourth proportional to 500,108.42, 690,166.24 and 273,753.92 is: 377,789.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,108.42 : 690,166.24 = 273,753.92 : x
  2. Step 2: Convert to fraction form
    500,108.42/690,166.24 = 273,753.92/x
  3. Step 3: Cross multiply
    500,108.42x = 690,166.24 × 273,753.92
  4. Step 4: Simplify right side
    500,108.42x = 188,935,713,651.66
  5. Step 5: Solve for x
    x = 188,935,713,651.66/500,108.42
  6. Step 6: Final answer
    x = 377,789.51

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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.