Home / 382,255.24-527,511.54-212,488.84

Finding the Fourth Proportional to 382,255.24, 527,511.54 and 212,488.84

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Solution

The fourth proportional to 382,255.24, 527,511.54 and 212,488.84 is: 293,234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,255.24 : 527,511.54 = 212,488.84 : x
  2. Step 2: Convert to fraction form
    382,255.24/527,511.54 = 212,488.84/x
  3. Step 3: Cross multiply
    382,255.24x = 527,511.54 × 212,488.84
  4. Step 4: Simplify right side
    382,255.24x = 112,090,315,221.21
  5. Step 5: Solve for x
    x = 112,090,315,221.21/382,255.24
  6. Step 6: Final answer
    x = 293,234.21

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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.