Home / 619,588.80-929,422.08-198,855.36

Finding the Fourth Proportional to 619,588.80, 929,422.08 and 198,855.36

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Solution

The fourth proportional to 619,588.80, 929,422.08 and 198,855.36 is: 298,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,588.80 : 929,422.08 = 198,855.36 : x
  2. Step 2: Convert to fraction form
    619,588.80/929,422.08 = 198,855.36/x
  3. Step 3: Cross multiply
    619,588.80x = 929,422.08 × 198,855.36
  4. Step 4: Simplify right side
    619,588.80x = 184,820,562,310.35
  5. Step 5: Solve for x
    x = 184,820,562,310.35/619,588.80
  6. Step 6: Final answer
    x = 298,295.52

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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.