Home / 477,945.66-659,542.32-263,081.28

Finding the Fourth Proportional to 477,945.66, 659,542.32 and 263,081.28

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Solution

The fourth proportional to 477,945.66, 659,542.32 and 263,081.28 is: 363,039.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,945.66 : 659,542.32 = 263,081.28 : x
  2. Step 2: Convert to fraction form
    477,945.66/659,542.32 = 263,081.28/x
  3. Step 3: Cross multiply
    477,945.66x = 659,542.32 × 263,081.28
  4. Step 4: Simplify right side
    477,945.66x = 173,513,237,759.77
  5. Step 5: Solve for x
    x = 173,513,237,759.77/477,945.66
  6. Step 6: Final answer
    x = 363,039.68

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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.