Home / 733,718.70-1,100,578.05-521,142.30

Finding the Fourth Proportional to 733,718.70, 1,100,578.05 and 521,142.30

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Solution

The fourth proportional to 733,718.70, 1,100,578.05 and 521,142.30 is: 781,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,718.70 : 1,100,578.05 = 521,142.30 : x
  2. Step 2: Convert to fraction form
    733,718.70/1,100,578.05 = 521,142.30/x
  3. Step 3: Cross multiply
    733,718.70x = 1,100,578.05 × 521,142.30
  4. Step 4: Simplify right side
    733,718.70x = 573,557,776,306.52
  5. Step 5: Solve for x
    x = 573,557,776,306.52/733,718.70
  6. Step 6: Final answer
    x = 781,713.45

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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.