Home / 336,211.20-503,733.60-217,821.60

Finding the Fourth Proportional to 336,211.20, 503,733.60 and 217,821.60

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Solution

The fourth proportional to 336,211.20, 503,733.60 and 217,821.60 is: 326,354.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,211.20 : 503,733.60 = 217,821.60 : x
  2. Step 2: Convert to fraction form
    336,211.20/503,733.60 = 217,821.60/x
  3. Step 3: Cross multiply
    336,211.20x = 503,733.60 × 217,821.60
  4. Step 4: Simplify right side
    336,211.20x = 109,724,058,725.76
  5. Step 5: Solve for x
    x = 109,724,058,725.76/336,211.20
  6. Step 6: Final answer
    x = 326,354.56

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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.