Home / 484,002.72-667,939.86-266,220.57

Finding the Fourth Proportional to 484,002.72, 667,939.86 and 266,220.57

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Solution

The fourth proportional to 484,002.72, 667,939.86 and 266,220.57 is: 367,393.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,002.72 : 667,939.86 = 266,220.57 : x
  2. Step 2: Convert to fraction form
    484,002.72/667,939.86 = 266,220.57/x
  3. Step 3: Cross multiply
    484,002.72x = 667,939.86 × 266,220.57
  4. Step 4: Simplify right side
    484,002.72x = 177,819,330,254.92
  5. Step 5: Solve for x
    x = 177,819,330,254.92/484,002.72
  6. Step 6: Final answer
    x = 367,393.25

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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.