Home / 411,611.31-567,845.69-290,856.11

Finding the Fourth Proportional to 411,611.31, 567,845.69 and 290,856.11

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Solution

The fourth proportional to 411,611.31, 567,845.69 and 290,856.11 is: 401,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,611.31 : 567,845.69 = 290,856.11 : x
  2. Step 2: Convert to fraction form
    411,611.31/567,845.69 = 290,856.11/x
  3. Step 3: Cross multiply
    411,611.31x = 567,845.69 × 290,856.11
  4. Step 4: Simplify right side
    411,611.31x = 165,161,384,180.16
  5. Step 5: Solve for x
    x = 165,161,384,180.16/411,611.31
  6. Step 6: Final answer
    x = 401,255.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.