Home / 499,465.17-689,261.85-273,110.67

Finding the Fourth Proportional to 499,465.17, 689,261.85 and 273,110.67

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Solution

The fourth proportional to 499,465.17, 689,261.85 and 273,110.67 is: 376,892.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,465.17 : 689,261.85 = 273,110.67 : x
  2. Step 2: Convert to fraction form
    499,465.17/689,261.85 = 273,110.67/x
  3. Step 3: Cross multiply
    499,465.17x = 689,261.85 × 273,110.67
  4. Step 4: Simplify right side
    499,465.17x = 188,244,765,658.94
  5. Step 5: Solve for x
    x = 188,244,765,658.94/499,465.17
  6. Step 6: Final answer
    x = 376,892.68

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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.