Home / 499,383.12-689,151.60-273,028.62

Finding the Fourth Proportional to 499,383.12, 689,151.60 and 273,028.62

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Solution

The fourth proportional to 499,383.12, 689,151.60 and 273,028.62 is: 376,781.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,383.12 : 689,151.60 = 273,028.62 : x
  2. Step 2: Convert to fraction form
    499,383.12/689,151.60 = 273,028.62/x
  3. Step 3: Cross multiply
    499,383.12x = 689,151.60 × 273,028.62
  4. Step 4: Simplify right side
    499,383.12x = 188,158,110,318.79
  5. Step 5: Solve for x
    x = 188,158,110,318.79/499,383.12
  6. Step 6: Final answer
    x = 376,781.08

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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.