Home / 488,027.87-731,088.40-336,198.13

Finding the Fourth Proportional to 488,027.87, 731,088.40 and 336,198.13

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Solution

The fourth proportional to 488,027.87, 731,088.40 and 336,198.13 is: 503,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,027.87 : 731,088.40 = 336,198.13 : x
  2. Step 2: Convert to fraction form
    488,027.87/731,088.40 = 336,198.13/x
  3. Step 3: Cross multiply
    488,027.87x = 731,088.40 × 336,198.13
  4. Step 4: Simplify right side
    488,027.87x = 245,790,552,944.69
  5. Step 5: Solve for x
    x = 245,790,552,944.69/488,027.87
  6. Step 6: Final answer
    x = 503,640.40

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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.