Home / 531,911.60-734,520.94-395,895.86

Finding the Fourth Proportional to 531,911.60, 734,520.94 and 395,895.86

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Solution

The fourth proportional to 531,911.60, 734,520.94 and 395,895.86 is: 546,695.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,911.60 : 734,520.94 = 395,895.86 : x
  2. Step 2: Convert to fraction form
    531,911.60/734,520.94 = 395,895.86/x
  3. Step 3: Cross multiply
    531,911.60x = 734,520.94 × 395,895.86
  4. Step 4: Simplify right side
    531,911.60x = 290,793,799,229.31
  5. Step 5: Solve for x
    x = 290,793,799,229.31/531,911.60
  6. Step 6: Final answer
    x = 546,695.73

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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.