Home / 693,818.76-1,040,799.52-261,900.03

Finding the Fourth Proportional to 693,818.76, 1,040,799.52 and 261,900.03

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Solution

The fourth proportional to 693,818.76, 1,040,799.52 and 261,900.03 is: 392,876.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,818.76 : 1,040,799.52 = 261,900.03 : x
  2. Step 2: Convert to fraction form
    693,818.76/1,040,799.52 = 261,900.03/x
  3. Step 3: Cross multiply
    693,818.76x = 1,040,799.52 × 261,900.03
  4. Step 4: Simplify right side
    693,818.76x = 272,585,425,511.99
  5. Step 5: Solve for x
    x = 272,585,425,511.99/693,818.76
  6. Step 6: Final answer
    x = 392,876.99

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1.5x scale

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.