Home / 619,422.80-929,046.71-198,644.00

Finding the Fourth Proportional to 619,422.80, 929,046.71 and 198,644.00

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Solution

The fourth proportional to 619,422.80, 929,046.71 and 198,644.00 is: 297,937.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,422.80 : 929,046.71 = 198,644.00 : x
  2. Step 2: Convert to fraction form
    619,422.80/929,046.71 = 198,644.00/x
  3. Step 3: Cross multiply
    619,422.80x = 929,046.71 × 198,644.00
  4. Step 4: Simplify right side
    619,422.80x = 184,549,550,512.62
  5. Step 5: Solve for x
    x = 184,549,550,512.62/619,422.80
  6. Step 6: Final answer
    x = 297,937.94

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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.