Home / 493,508.18-681,043.46-267,153.68

Finding the Fourth Proportional to 493,508.18, 681,043.46 and 267,153.68

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Solution

The fourth proportional to 493,508.18, 681,043.46 and 267,153.68 is: 368,673.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,508.18 : 681,043.46 = 267,153.68 : x
  2. Step 2: Convert to fraction form
    493,508.18/681,043.46 = 267,153.68/x
  3. Step 3: Cross multiply
    493,508.18x = 681,043.46 × 267,153.68
  4. Step 4: Simplify right side
    493,508.18x = 181,943,261,837.95
  5. Step 5: Solve for x
    x = 181,943,261,837.95/493,508.18
  6. Step 6: Final answer
    x = 368,673.25

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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.