Home / 415,847.40-623,771.10-226,890.60

Finding the Fourth Proportional to 415,847.40, 623,771.10 and 226,890.60

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Solution

The fourth proportional to 415,847.40, 623,771.10 and 226,890.60 is: 340,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,847.40 : 623,771.10 = 226,890.60 : x
  2. Step 2: Convert to fraction form
    415,847.40/623,771.10 = 226,890.60/x
  3. Step 3: Cross multiply
    415,847.40x = 623,771.10 × 226,890.60
  4. Step 4: Simplify right side
    415,847.40x = 141,527,799,141.66
  5. Step 5: Solve for x
    x = 141,527,799,141.66/415,847.40
  6. Step 6: Final answer
    x = 340,335.90

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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.