Home / 493,945.70-681,646.19-267,591.20

Finding the Fourth Proportional to 493,945.70, 681,646.19 and 267,591.20

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Solution

The fourth proportional to 493,945.70, 681,646.19 and 267,591.20 is: 369,276.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,945.70 : 681,646.19 = 267,591.20 : x
  2. Step 2: Convert to fraction form
    493,945.70/681,646.19 = 267,591.20/x
  3. Step 3: Cross multiply
    493,945.70x = 681,646.19 × 267,591.20
  4. Step 4: Simplify right side
    493,945.70x = 182,402,517,211.34
  5. Step 5: Solve for x
    x = 182,402,517,211.34/493,945.70
  6. Step 6: Final answer
    x = 369,276.46

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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.