Home / 382,467.05-527,805.06-212,701.18

Finding the Fourth Proportional to 382,467.05, 527,805.06 and 212,701.18

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Solution

The fourth proportional to 382,467.05, 527,805.06 and 212,701.18 is: 293,527.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,467.05 : 527,805.06 = 212,701.18 : x
  2. Step 2: Convert to fraction form
    382,467.05/527,805.06 = 212,701.18/x
  3. Step 3: Cross multiply
    382,467.05x = 527,805.06 × 212,701.18
  4. Step 4: Simplify right side
    382,467.05x = 112,264,756,432.95
  5. Step 5: Solve for x
    x = 112,264,756,432.95/382,467.05
  6. Step 6: Final answer
    x = 293,527.92

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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.