Home / 619,679.16-929,387.52-198,856.62

Finding the Fourth Proportional to 619,679.16, 929,387.52 and 198,856.62

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Solution

The fourth proportional to 619,679.16, 929,387.52 and 198,856.62 is: 298,242.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,679.16 : 929,387.52 = 198,856.62 : x
  2. Step 2: Convert to fraction form
    619,679.16/929,387.52 = 198,856.62/x
  3. Step 3: Cross multiply
    619,679.16x = 929,387.52 × 198,856.62
  4. Step 4: Simplify right side
    619,679.16x = 184,814,860,897.38
  5. Step 5: Solve for x
    x = 184,814,860,897.38/619,679.16
  6. Step 6: Final answer
    x = 298,242.82

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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.