Home / 619,403.42-929,017.65-198,624.62

Finding the Fourth Proportional to 619,403.42, 929,017.65 and 198,624.62

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Solution

The fourth proportional to 619,403.42, 929,017.65 and 198,624.62 is: 297,908.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,403.42 : 929,017.65 = 198,624.62 : x
  2. Step 2: Convert to fraction form
    619,403.42/929,017.65 = 198,624.62/x
  3. Step 3: Cross multiply
    619,403.42x = 929,017.65 × 198,624.62
  4. Step 4: Simplify right side
    619,403.42x = 184,525,777,704.54
  5. Step 5: Solve for x
    x = 184,525,777,704.54/619,403.42
  6. Step 6: Final answer
    x = 297,908.88

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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.