Home / 465,098.32-641,905.88-283,915.72

Finding the Fourth Proportional to 465,098.32, 641,905.88 and 283,915.72

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Solution

The fourth proportional to 465,098.32, 641,905.88 and 283,915.72 is: 391,846.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,098.32 : 641,905.88 = 283,915.72 : x
  2. Step 2: Convert to fraction form
    465,098.32/641,905.88 = 283,915.72/x
  3. Step 3: Cross multiply
    465,098.32x = 641,905.88 × 283,915.72
  4. Step 4: Simplify right side
    465,098.32x = 182,247,170,092.43
  5. Step 5: Solve for x
    x = 182,247,170,092.43/465,098.32
  6. Step 6: Final answer
    x = 391,846.55

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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.