Home / 352,640.20-529,478.70-247,923.40

Finding the Fourth Proportional to 352,640.20, 529,478.70 and 247,923.40

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Solution

The fourth proportional to 352,640.20, 529,478.70 and 247,923.40 is: 372,249.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,640.20 : 529,478.70 = 247,923.40 : x
  2. Step 2: Convert to fraction form
    352,640.20/529,478.70 = 247,923.40/x
  3. Step 3: Cross multiply
    352,640.20x = 529,478.70 × 247,923.40
  4. Step 4: Simplify right side
    352,640.20x = 131,270,159,531.58
  5. Step 5: Solve for x
    x = 131,270,159,531.58/352,640.20
  6. Step 6: Final answer
    x = 372,249.56

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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.