Home / 493,621.76-681,198.08-267,267.20

Finding the Fourth Proportional to 493,621.76, 681,198.08 and 267,267.20

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Solution

The fourth proportional to 493,621.76, 681,198.08 and 267,267.20 is: 368,828.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,621.76 : 681,198.08 = 267,267.20 : x
  2. Step 2: Convert to fraction form
    493,621.76/681,198.08 = 267,267.20/x
  3. Step 3: Cross multiply
    493,621.76x = 681,198.08 × 267,267.20
  4. Step 4: Simplify right side
    493,621.76x = 182,061,903,486.98
  5. Step 5: Solve for x
    x = 182,061,903,486.98/493,621.76
  6. Step 6: Final answer
    x = 368,828.76

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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.