Home / 341,719.40-512,579.10-199,418.60

Finding the Fourth Proportional to 341,719.40, 512,579.10 and 199,418.60

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Solution

The fourth proportional to 341,719.40, 512,579.10 and 199,418.60 is: 299,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,719.40 : 512,579.10 = 199,418.60 : x
  2. Step 2: Convert to fraction form
    341,719.40/512,579.10 = 199,418.60/x
  3. Step 3: Cross multiply
    341,719.40x = 512,579.10 × 199,418.60
  4. Step 4: Simplify right side
    341,719.40x = 102,217,806,511.26
  5. Step 5: Solve for x
    x = 102,217,806,511.26/341,719.40
  6. Step 6: Final answer
    x = 299,127.90

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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.