Home / 1,329,145.05-1,993,620.85-519,377.79

Finding the Fourth Proportional to 1,329,145.05, 1,993,620.85 and 519,377.79

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Solution

The fourth proportional to 1,329,145.05, 1,993,620.85 and 519,377.79 is: 779,028.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,145.05 : 1,993,620.85 = 519,377.79 : x
  2. Step 2: Convert to fraction form
    1,329,145.05/1,993,620.85 = 519,377.79/x
  3. Step 3: Cross multiply
    1,329,145.05x = 1,993,620.85 × 519,377.79
  4. Step 4: Simplify right side
    1,329,145.05x = 1,035,442,389,872.48
  5. Step 5: Solve for x
    x = 1,035,442,389,872.48/1,329,145.05
  6. Step 6: Final answer
    x = 779,028.89

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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.