Home / 460,431.92-635,494.06-309,441.44

Finding the Fourth Proportional to 460,431.92, 635,494.06 and 309,441.44

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Solution

The fourth proportional to 460,431.92, 635,494.06 and 309,441.44 is: 427,095.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,431.92 : 635,494.06 = 309,441.44 : x
  2. Step 2: Convert to fraction form
    460,431.92/635,494.06 = 309,441.44/x
  3. Step 3: Cross multiply
    460,431.92x = 635,494.06 × 309,441.44
  4. Step 4: Simplify right side
    460,431.92x = 196,648,197,037.85
  5. Step 5: Solve for x
    x = 196,648,197,037.85/460,431.92
  6. Step 6: Final answer
    x = 427,095.06

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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.