Home / 493,789.38-681,430.23-267,434.88

Finding the Fourth Proportional to 493,789.38, 681,430.23 and 267,434.88

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Solution

The fourth proportional to 493,789.38, 681,430.23 and 267,434.88 is: 369,060.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,789.38 : 681,430.23 = 267,434.88 : x
  2. Step 2: Convert to fraction form
    493,789.38/681,430.23 = 267,434.88/x
  3. Step 3: Cross multiply
    493,789.38x = 681,430.23 × 267,434.88
  4. Step 4: Simplify right side
    493,789.38x = 182,238,211,788.42
  5. Step 5: Solve for x
    x = 182,238,211,788.42/493,789.38
  6. Step 6: Final answer
    x = 369,060.61

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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.