Home / 352,127.20-529,227.60-345,906.40

Finding the Fourth Proportional to 352,127.20, 529,227.60 and 345,906.40

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Solution

The fourth proportional to 352,127.20, 529,227.60 and 345,906.40 is: 519,878.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,127.20 : 529,227.60 = 345,906.40 : x
  2. Step 2: Convert to fraction form
    352,127.20/529,227.60 = 345,906.40/x
  3. Step 3: Cross multiply
    352,127.20x = 529,227.60 × 345,906.40
  4. Step 4: Simplify right side
    352,127.20x = 183,063,213,896.64
  5. Step 5: Solve for x
    x = 183,063,213,896.64/352,127.20
  6. Step 6: Final answer
    x = 519,878.08

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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.