Home / 382,287.06-527,494.05-212,516.82

Finding the Fourth Proportional to 382,287.06, 527,494.05 and 212,516.82

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Solution

The fourth proportional to 382,287.06, 527,494.05 and 212,516.82 is: 293,238.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,287.06 : 527,494.05 = 212,516.82 : x
  2. Step 2: Convert to fraction form
    382,287.06/527,494.05 = 212,516.82/x
  3. Step 3: Cross multiply
    382,287.06x = 527,494.05 × 212,516.82
  4. Step 4: Simplify right side
    382,287.06x = 112,101,358,074.92
  5. Step 5: Solve for x
    x = 112,101,358,074.92/382,287.06
  6. Step 6: Final answer
    x = 293,238.69

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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.