Home / 733,830.30-1,100,745.45-521,253.90

Finding the Fourth Proportional to 733,830.30, 1,100,745.45 and 521,253.90

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Solution

The fourth proportional to 733,830.30, 1,100,745.45 and 521,253.90 is: 781,880.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,830.30 : 1,100,745.45 = 521,253.90 : x
  2. Step 2: Convert to fraction form
    733,830.30/1,100,745.45 = 521,253.90/x
  3. Step 3: Cross multiply
    733,830.30x = 1,100,745.45 × 521,253.90
  4. Step 4: Simplify right side
    733,830.30x = 573,767,858,719.76
  5. Step 5: Solve for x
    x = 573,767,858,719.76/733,830.30
  6. Step 6: Final answer
    x = 781,880.85

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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.