Home / 482,822.60-724,233.90-305,529.80

Finding the Fourth Proportional to 482,822.60, 724,233.90 and 305,529.80

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Solution

The fourth proportional to 482,822.60, 724,233.90 and 305,529.80 is: 458,294.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,822.60 : 724,233.90 = 305,529.80 : x
  2. Step 2: Convert to fraction form
    482,822.60/724,233.90 = 305,529.80/x
  3. Step 3: Cross multiply
    482,822.60x = 724,233.90 × 305,529.80
  4. Step 4: Simplify right side
    482,822.60x = 221,275,038,620.22
  5. Step 5: Solve for x
    x = 221,275,038,620.22/482,822.60
  6. Step 6: Final answer
    x = 458,294.70

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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.