Home / 925,907.56-1,388,972.46-326,745

Finding the Fourth Proportional to 925,907.56, 1,388,972.46 and 326,745

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Solution

The fourth proportional to 925,907.56, 1,388,972.46 and 326,745 is: 490,156.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,907.56 : 1,388,972.46 = 326,745 : x
  2. Step 2: Convert to fraction form
    925,907.56/1,388,972.46 = 326,745/x
  3. Step 3: Cross multiply
    925,907.56x = 1,388,972.46 × 326,745
  4. Step 4: Simplify right side
    925,907.56x = 453,839,806,442.70
  5. Step 5: Solve for x
    x = 453,839,806,442.70/925,907.56
  6. Step 6: Final answer
    x = 490,156.71

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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.