Home / 412,823.20-619,234.80-176,173.60

Finding the Fourth Proportional to 412,823.20, 619,234.80 and 176,173.60

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Solution

The fourth proportional to 412,823.20, 619,234.80 and 176,173.60 is: 264,260.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,823.20 : 619,234.80 = 176,173.60 : x
  2. Step 2: Convert to fraction form
    412,823.20/619,234.80 = 176,173.60/x
  3. Step 3: Cross multiply
    412,823.20x = 619,234.80 × 176,173.60
  4. Step 4: Simplify right side
    412,823.20x = 109,092,823,961.28
  5. Step 5: Solve for x
    x = 109,092,823,961.28/412,823.20
  6. Step 6: Final answer
    x = 264,260.40

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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.