Home / 852,745.52-1,176,826.92-490,286.96

Finding the Fourth Proportional to 852,745.52, 1,176,826.92 and 490,286.96

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Solution

The fourth proportional to 852,745.52, 1,176,826.92 and 490,286.96 is: 676,617.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,745.52 : 1,176,826.92 = 490,286.96 : x
  2. Step 2: Convert to fraction form
    852,745.52/1,176,826.92 = 490,286.96/x
  3. Step 3: Cross multiply
    852,745.52x = 1,176,826.92 × 490,286.96
  4. Step 4: Simplify right side
    852,745.52x = 576,982,893,052.96
  5. Step 5: Solve for x
    x = 576,982,893,052.96/852,745.52
  6. Step 6: Final answer
    x = 676,617.91

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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.