Home / 415,822.34-623,810.43-131,584.47

Finding the Fourth Proportional to 415,822.34, 623,810.43 and 131,584.47

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Solution

The fourth proportional to 415,822.34, 623,810.43 and 131,584.47 is: 197,401.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,822.34 : 623,810.43 = 131,584.47 : x
  2. Step 2: Convert to fraction form
    415,822.34/623,810.43 = 131,584.47/x
  3. Step 3: Cross multiply
    415,822.34x = 623,810.43 × 131,584.47
  4. Step 4: Simplify right side
    415,822.34x = 82,083,762,472.73
  5. Step 5: Solve for x
    x = 82,083,762,472.73/415,822.34
  6. Step 6: Final answer
    x = 197,401.04

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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.