Home / 619,421.82-929,292.57-198,701.34

Finding the Fourth Proportional to 619,421.82, 929,292.57 and 198,701.34

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Solution

The fourth proportional to 619,421.82, 929,292.57 and 198,701.34 is: 298,103.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,421.82 : 929,292.57 = 198,701.34 : x
  2. Step 2: Convert to fraction form
    619,421.82/929,292.57 = 198,701.34/x
  3. Step 3: Cross multiply
    619,421.82x = 929,292.57 × 198,701.34
  4. Step 4: Simplify right side
    619,421.82x = 184,651,678,911.04
  5. Step 5: Solve for x
    x = 184,651,678,911.04/619,421.82
  6. Step 6: Final answer
    x = 298,103.28

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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.