Home / 671,562.08-926,789.78-381,194.08

Finding the Fourth Proportional to 671,562.08, 926,789.78 and 381,194.08

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Solution

The fourth proportional to 671,562.08, 926,789.78 and 381,194.08 is: 526,067.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,562.08 : 926,789.78 = 381,194.08 : x
  2. Step 2: Convert to fraction form
    671,562.08/926,789.78 = 381,194.08/x
  3. Step 3: Cross multiply
    671,562.08x = 926,789.78 × 381,194.08
  4. Step 4: Simplify right side
    671,562.08x = 353,286,777,540.50
  5. Step 5: Solve for x
    x = 353,286,777,540.50/671,562.08
  6. Step 6: Final answer
    x = 526,067.19

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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.