Home / 477,628.60-659,221.64-273,816.36

Finding the Fourth Proportional to 477,628.60, 659,221.64 and 273,816.36

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Solution

The fourth proportional to 477,628.60, 659,221.64 and 273,816.36 is: 377,920.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,628.60 : 659,221.64 = 273,816.36 : x
  2. Step 2: Convert to fraction form
    477,628.60/659,221.64 = 273,816.36/x
  3. Step 3: Cross multiply
    477,628.60x = 659,221.64 × 273,816.36
  4. Step 4: Simplify right side
    477,628.60x = 180,505,669,898.03
  5. Step 5: Solve for x
    x = 180,505,669,898.03/477,628.60
  6. Step 6: Final answer
    x = 377,920.56

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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.