Home / 575,197.20-863,670.60-442,227.60

Finding the Fourth Proportional to 575,197.20, 863,670.60 and 442,227.60

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Solution

The fourth proportional to 575,197.20, 863,670.60 and 442,227.60 is: 664,013.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,197.20 : 863,670.60 = 442,227.60 : x
  2. Step 2: Convert to fraction form
    575,197.20/863,670.60 = 442,227.60/x
  3. Step 3: Cross multiply
    575,197.20x = 863,670.60 × 442,227.60
  4. Step 4: Simplify right side
    575,197.20x = 381,938,976,628.56
  5. Step 5: Solve for x
    x = 381,938,976,628.56/575,197.20
  6. Step 6: Final answer
    x = 664,013.97

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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.