Home / 500,148.38-690,204.77-273,793.88

Finding the Fourth Proportional to 500,148.38, 690,204.77 and 273,793.88

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Solution

The fourth proportional to 500,148.38, 690,204.77 and 273,793.88 is: 377,835.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,148.38 : 690,204.77 = 273,793.88 : x
  2. Step 2: Convert to fraction form
    500,148.38/690,204.77 = 273,793.88/x
  3. Step 3: Cross multiply
    500,148.38x = 690,204.77 × 273,793.88
  4. Step 4: Simplify right side
    500,148.38x = 188,973,837,152.81
  5. Step 5: Solve for x
    x = 188,973,837,152.81/500,148.38
  6. Step 6: Final answer
    x = 377,835.55

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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.