Home / 488,029.69-731,091.12-336,199.95

Finding the Fourth Proportional to 488,029.69, 731,091.12 and 336,199.95

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Solution

The fourth proportional to 488,029.69, 731,091.12 and 336,199.95 is: 503,643.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,029.69 : 731,091.12 = 336,199.95 : x
  2. Step 2: Convert to fraction form
    488,029.69/731,091.12 = 336,199.95/x
  3. Step 3: Cross multiply
    488,029.69x = 731,091.12 × 336,199.95
  4. Step 4: Simplify right side
    488,029.69x = 245,792,796,728.69
  5. Step 5: Solve for x
    x = 245,792,796,728.69/488,029.69
  6. Step 6: Final answer
    x = 503,643.12

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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.