Home / 530,834.10-796,246.20-215,215.98

Finding the Fourth Proportional to 530,834.10, 796,246.20 and 215,215.98

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Solution

The fourth proportional to 530,834.10, 796,246.20 and 215,215.98 is: 322,821.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,834.10 : 796,246.20 = 215,215.98 : x
  2. Step 2: Convert to fraction form
    530,834.10/796,246.20 = 215,215.98/x
  3. Step 3: Cross multiply
    530,834.10x = 796,246.20 × 215,215.98
  4. Step 4: Simplify right side
    530,834.10x = 171,364,906,254.28
  5. Step 5: Solve for x
    x = 171,364,906,254.28/530,834.10
  6. Step 6: Final answer
    x = 322,821.96

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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.