Home / 482,912.70-724,077.45-216,623.58

Finding the Fourth Proportional to 482,912.70, 724,077.45 and 216,623.58

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Solution

The fourth proportional to 482,912.70, 724,077.45 and 216,623.58 is: 324,804.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,912.70 : 724,077.45 = 216,623.58 : x
  2. Step 2: Convert to fraction form
    482,912.70/724,077.45 = 216,623.58/x
  3. Step 3: Cross multiply
    482,912.70x = 724,077.45 × 216,623.58
  4. Step 4: Simplify right side
    482,912.70x = 156,852,249,416.27
  5. Step 5: Solve for x
    x = 156,852,249,416.27/482,912.70
  6. Step 6: Final answer
    x = 324,804.56

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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.