Home / 805,692.88-1,208,539.61-206,654.05

Finding the Fourth Proportional to 805,692.88, 1,208,539.61 and 206,654.05

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Solution

The fourth proportional to 805,692.88, 1,208,539.61 and 206,654.05 is: 309,981.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,692.88 : 1,208,539.61 = 206,654.05 : x
  2. Step 2: Convert to fraction form
    805,692.88/1,208,539.61 = 206,654.05/x
  3. Step 3: Cross multiply
    805,692.88x = 1,208,539.61 × 206,654.05
  4. Step 4: Simplify right side
    805,692.88x = 249,749,597,915.95
  5. Step 5: Solve for x
    x = 249,749,597,915.95/805,692.88
  6. Step 6: Final answer
    x = 309,981.14

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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.