Home / 526,941.22-727,180.70-285,223.73

Finding the Fourth Proportional to 526,941.22, 727,180.70 and 285,223.73

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Solution

The fourth proportional to 526,941.22, 727,180.70 and 285,223.73 is: 393,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,941.22 : 727,180.70 = 285,223.73 : x
  2. Step 2: Convert to fraction form
    526,941.22/727,180.70 = 285,223.73/x
  3. Step 3: Cross multiply
    526,941.22x = 727,180.70 × 285,223.73
  4. Step 4: Simplify right side
    526,941.22x = 207,409,188,002.11
  5. Step 5: Solve for x
    x = 207,409,188,002.11/526,941.22
  6. Step 6: Final answer
    x = 393,609.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.