Home / 493,945.60-681,644.80-267,591.04

Finding the Fourth Proportional to 493,945.60, 681,644.80 and 267,591.04

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Solution

The fourth proportional to 493,945.60, 681,644.80 and 267,591.04 is: 369,275.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,945.60 : 681,644.80 = 267,591.04 : x
  2. Step 2: Convert to fraction form
    493,945.60/681,644.80 = 267,591.04/x
  3. Step 3: Cross multiply
    493,945.60x = 681,644.80 × 267,591.04
  4. Step 4: Simplify right side
    493,945.60x = 182,402,040,942.59
  5. Step 5: Solve for x
    x = 182,402,040,942.59/493,945.60
  6. Step 6: Final answer
    x = 369,275.57

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1.5x scale

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.