Home / 619,632.27-929,492.96-259,440.66

Finding the Fourth Proportional to 619,632.27, 929,492.96 and 259,440.66

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Solution

The fourth proportional to 619,632.27, 929,492.96 and 259,440.66 is: 389,179.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,632.27 : 929,492.96 = 259,440.66 : x
  2. Step 2: Convert to fraction form
    619,632.27/929,492.96 = 259,440.66/x
  3. Step 3: Cross multiply
    619,632.27x = 929,492.96 × 259,440.66
  4. Step 4: Simplify right side
    619,632.27x = 241,148,265,710.55
  5. Step 5: Solve for x
    x = 241,148,265,710.55/619,632.27
  6. Step 6: Final answer
    x = 389,179.64

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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.