Home / 353,028.60-529,542.90-323,998.20

Finding the Fourth Proportional to 353,028.60, 529,542.90 and 323,998.20

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Solution

The fourth proportional to 353,028.60, 529,542.90 and 323,998.20 is: 485,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,028.60 : 529,542.90 = 323,998.20 : x
  2. Step 2: Convert to fraction form
    353,028.60/529,542.90 = 323,998.20/x
  3. Step 3: Cross multiply
    353,028.60x = 529,542.90 × 323,998.20
  4. Step 4: Simplify right side
    353,028.60x = 171,570,946,422.78
  5. Step 5: Solve for x
    x = 171,570,946,422.78/353,028.60
  6. Step 6: Final answer
    x = 485,997.30

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1.5x scale

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.