Home / 482,856.20-724,154.70-202,315.40

Finding the Fourth Proportional to 482,856.20, 724,154.70 and 202,315.40

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Solution

The fourth proportional to 482,856.20, 724,154.70 and 202,315.40 is: 303,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,856.20 : 724,154.70 = 202,315.40 : x
  2. Step 2: Convert to fraction form
    482,856.20/724,154.70 = 202,315.40/x
  3. Step 3: Cross multiply
    482,856.20x = 724,154.70 × 202,315.40
  4. Step 4: Simplify right side
    482,856.20x = 146,507,647,792.38
  5. Step 5: Solve for x
    x = 146,507,647,792.38/482,856.20
  6. Step 6: Final answer
    x = 303,418.80

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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.