Home / 500,174.13-690,240.33-273,819.63

Finding the Fourth Proportional to 500,174.13, 690,240.33 and 273,819.63

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Solution

The fourth proportional to 500,174.13, 690,240.33 and 273,819.63 is: 377,871.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,174.13 : 690,240.33 = 273,819.63 : x
  2. Step 2: Convert to fraction form
    500,174.13/690,240.33 = 273,819.63/x
  3. Step 3: Cross multiply
    500,174.13x = 690,240.33 × 273,819.63
  4. Step 4: Simplify right side
    500,174.13x = 189,001,351,771.68
  5. Step 5: Solve for x
    x = 189,001,351,771.68/500,174.13
  6. Step 6: Final answer
    x = 377,871.11

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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.