Home / 1,329,148.43-1,993,625.91-519,381.17

Finding the Fourth Proportional to 1,329,148.43, 1,993,625.91 and 519,381.17

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Solution

The fourth proportional to 1,329,148.43, 1,993,625.91 and 519,381.17 is: 779,033.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,148.43 : 1,993,625.91 = 519,381.17 : x
  2. Step 2: Convert to fraction form
    1,329,148.43/1,993,625.91 = 519,381.17/x
  3. Step 3: Cross multiply
    1,329,148.43x = 1,993,625.91 × 519,381.17
  4. Step 4: Simplify right side
    1,329,148.43x = 1,035,451,747,709.99
  5. Step 5: Solve for x
    x = 1,035,451,747,709.99/1,329,148.43
  6. Step 6: Final answer
    x = 779,033.95

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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.