Home / 1,763,369.40-2,645,745.30-641,551.80

Finding the Fourth Proportional to 1,763,369.40, 2,645,745.30 and 641,551.80

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Solution

The fourth proportional to 1,763,369.40, 2,645,745.30 and 641,551.80 is: 962,579.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763,369.40 : 2,645,745.30 = 641,551.80 : x
  2. Step 2: Convert to fraction form
    1,763,369.40/2,645,745.30 = 641,551.80/x
  3. Step 3: Cross multiply
    1,763,369.40x = 2,645,745.30 × 641,551.80
  4. Step 4: Simplify right side
    1,763,369.40x = 1,697,382,659,556.54
  5. Step 5: Solve for x
    x = 1,697,382,659,556.54/1,763,369.40
  6. Step 6: Final answer
    x = 962,579.17

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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.