Home / 447,214.27-670,825.40-127,365.85

Finding the Fourth Proportional to 447,214.27, 670,825.40 and 127,365.85

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Solution

The fourth proportional to 447,214.27, 670,825.40 and 127,365.85 is: 191,049.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,214.27 : 670,825.40 = 127,365.85 : x
  2. Step 2: Convert to fraction form
    447,214.27/670,825.40 = 127,365.85/x
  3. Step 3: Cross multiply
    447,214.27x = 670,825.40 × 127,365.85
  4. Step 4: Simplify right side
    447,214.27x = 85,440,247,272.59
  5. Step 5: Solve for x
    x = 85,440,247,272.59/447,214.27
  6. Step 6: Final answer
    x = 191,049.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.