Home / 382,534.62-527,897.98-212,765.10

Finding the Fourth Proportional to 382,534.62, 527,897.98 and 212,765.10

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Solution

The fourth proportional to 382,534.62, 527,897.98 and 212,765.10 is: 293,615.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,534.62 : 527,897.98 = 212,765.10 : x
  2. Step 2: Convert to fraction form
    382,534.62/527,897.98 = 212,765.10/x
  3. Step 3: Cross multiply
    382,534.62x = 527,897.98 × 212,765.10
  4. Step 4: Simplify right side
    382,534.62x = 112,318,266,504.50
  5. Step 5: Solve for x
    x = 112,318,266,504.50/382,534.62
  6. Step 6: Final answer
    x = 293,615.95

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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.