Home / 479,609.82-661,858.38-264,749.76

Finding the Fourth Proportional to 479,609.82, 661,858.38 and 264,749.76

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Solution

The fourth proportional to 479,609.82, 661,858.38 and 264,749.76 is: 365,352.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,609.82 : 661,858.38 = 264,749.76 : x
  2. Step 2: Convert to fraction form
    479,609.82/661,858.38 = 264,749.76/x
  3. Step 3: Cross multiply
    479,609.82x = 661,858.38 × 264,749.76
  4. Step 4: Simplify right side
    479,609.82x = 175,226,847,258.99
  5. Step 5: Solve for x
    x = 175,226,847,258.99/479,609.82
  6. Step 6: Final answer
    x = 365,352.92

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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.