Home / 482,913.40-724,370.10-216,682.60

Finding the Fourth Proportional to 482,913.40, 724,370.10 and 216,682.60

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Solution

The fourth proportional to 482,913.40, 724,370.10 and 216,682.60 is: 325,023.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,913.40 : 724,370.10 = 216,682.60 : x
  2. Step 2: Convert to fraction form
    482,913.40/724,370.10 = 216,682.60/x
  3. Step 3: Cross multiply
    482,913.40x = 724,370.10 × 216,682.60
  4. Step 4: Simplify right side
    482,913.40x = 156,958,396,630.26
  5. Step 5: Solve for x
    x = 156,958,396,630.26/482,913.40
  6. Step 6: Final answer
    x = 325,023.90

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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.