Home / 530,874.09-796,638.38-215,333.73

Finding the Fourth Proportional to 530,874.09, 796,638.38 and 215,333.73

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Solution

The fourth proportional to 530,874.09, 796,638.38 and 215,333.73 is: 323,133.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,874.09 : 796,638.38 = 215,333.73 : x
  2. Step 2: Convert to fraction form
    530,874.09/796,638.38 = 215,333.73/x
  3. Step 3: Cross multiply
    530,874.09x = 796,638.38 × 215,333.73
  4. Step 4: Simplify right side
    530,874.09x = 171,543,112,749.89
  5. Step 5: Solve for x
    x = 171,543,112,749.89/530,874.09
  6. Step 6: Final answer
    x = 323,133.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.