Home / 847,375.54-1,271,107.04-216,294.82

Finding the Fourth Proportional to 847,375.54, 1,271,107.04 and 216,294.82

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Solution

The fourth proportional to 847,375.54, 1,271,107.04 and 216,294.82 is: 324,453.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,375.54 : 1,271,107.04 = 216,294.82 : x
  2. Step 2: Convert to fraction form
    847,375.54/1,271,107.04 = 216,294.82/x
  3. Step 3: Cross multiply
    847,375.54x = 1,271,107.04 × 216,294.82
  4. Step 4: Simplify right side
    847,375.54x = 274,933,868,417.53
  5. Step 5: Solve for x
    x = 274,933,868,417.53/847,375.54
  6. Step 6: Final answer
    x = 324,453.39

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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.