Home / 460,200.21-635,272.26-309,384.69

Finding the Fourth Proportional to 460,200.21, 635,272.26 and 309,384.69

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Solution

The fourth proportional to 460,200.21, 635,272.26 and 309,384.69 is: 427,082.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,200.21 : 635,272.26 = 309,384.69 : x
  2. Step 2: Convert to fraction form
    460,200.21/635,272.26 = 309,384.69/x
  3. Step 3: Cross multiply
    460,200.21x = 635,272.26 × 309,384.69
  4. Step 4: Simplify right side
    460,200.21x = 196,543,511,225.70
  5. Step 5: Solve for x
    x = 196,543,511,225.70/460,200.21
  6. Step 6: Final answer
    x = 427,082.62

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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.