Home / 498,949.08-747,919.32-214,824.96

Finding the Fourth Proportional to 498,949.08, 747,919.32 and 214,824.96

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Solution

The fourth proportional to 498,949.08, 747,919.32 and 214,824.96 is: 322,020.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,949.08 : 747,919.32 = 214,824.96 : x
  2. Step 2: Convert to fraction form
    498,949.08/747,919.32 = 214,824.96/x
  3. Step 3: Cross multiply
    498,949.08x = 747,919.32 × 214,824.96
  4. Step 4: Simplify right side
    498,949.08x = 160,671,738,002.23
  5. Step 5: Solve for x
    x = 160,671,738,002.23/498,949.08
  6. Step 6: Final answer
    x = 322,020.31

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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.