Home / 619,264.80-928,897.20-198,583.20

Finding the Fourth Proportional to 619,264.80, 928,897.20 and 198,583.20

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Solution

The fourth proportional to 619,264.80, 928,897.20 and 198,583.20 is: 297,874.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,264.80 : 928,897.20 = 198,583.20 : x
  2. Step 2: Convert to fraction form
    619,264.80/928,897.20 = 198,583.20/x
  3. Step 3: Cross multiply
    619,264.80x = 928,897.20 × 198,583.20
  4. Step 4: Simplify right side
    619,264.80x = 184,463,378,447.04
  5. Step 5: Solve for x
    x = 184,463,378,447.04/619,264.80
  6. Step 6: Final answer
    x = 297,874.80

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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.