Home / 925,694.20-1,388,269.14-393,211

Finding the Fourth Proportional to 925,694.20, 1,388,269.14 and 393,211

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Solution

The fourth proportional to 925,694.20, 1,388,269.14 and 393,211 is: 589,700.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,694.20 : 1,388,269.14 = 393,211 : x
  2. Step 2: Convert to fraction form
    925,694.20/1,388,269.14 = 393,211/x
  3. Step 3: Cross multiply
    925,694.20x = 1,388,269.14 × 393,211
  4. Step 4: Simplify right side
    925,694.20x = 545,882,696,808.54
  5. Step 5: Solve for x
    x = 545,882,696,808.54/925,694.20
  6. Step 6: Final answer
    x = 589,700.89

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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.