Home / 447,732.63-671,632.00-127,911.57

Finding the Fourth Proportional to 447,732.63, 671,632.00 and 127,911.57

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Solution

The fourth proportional to 447,732.63, 671,632.00 and 127,911.57 is: 191,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,732.63 : 671,632.00 = 127,911.57 : x
  2. Step 2: Convert to fraction form
    447,732.63/671,632.00 = 127,911.57/x
  3. Step 3: Cross multiply
    447,732.63x = 671,632.00 × 127,911.57
  4. Step 4: Simplify right side
    447,732.63x = 85,909,505,241.27
  5. Step 5: Solve for x
    x = 85,909,505,241.27/447,732.63
  6. Step 6: Final answer
    x = 191,876.80

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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.