Home / 698,086.44-1,046,160.86-318,078.49

Finding the Fourth Proportional to 698,086.44, 1,046,160.86 and 318,078.49

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Solution

The fourth proportional to 698,086.44, 1,046,160.86 and 318,078.49 is: 476,676.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,086.44 : 1,046,160.86 = 318,078.49 : x
  2. Step 2: Convert to fraction form
    698,086.44/1,046,160.86 = 318,078.49/x
  3. Step 3: Cross multiply
    698,086.44x = 1,046,160.86 × 318,078.49
  4. Step 4: Simplify right side
    698,086.44x = 332,761,264,825.70
  5. Step 5: Solve for x
    x = 332,761,264,825.70/698,086.44
  6. Step 6: Final answer
    x = 476,676.31

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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.