Home / 346,546.20-519,819.30-311,116.80

Finding the Fourth Proportional to 346,546.20, 519,819.30 and 311,116.80

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Solution

The fourth proportional to 346,546.20, 519,819.30 and 311,116.80 is: 466,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,546.20 : 519,819.30 = 311,116.80 : x
  2. Step 2: Convert to fraction form
    346,546.20/519,819.30 = 311,116.80/x
  3. Step 3: Cross multiply
    346,546.20x = 519,819.30 × 311,116.80
  4. Step 4: Simplify right side
    346,546.20x = 161,724,517,194.24
  5. Step 5: Solve for x
    x = 161,724,517,194.24/346,546.20
  6. Step 6: Final answer
    x = 466,675.20

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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.