Home / 1,085,669.70-1,498,195.23-626,768.79

Finding the Fourth Proportional to 1,085,669.70, 1,498,195.23 and 626,768.79

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Solution

The fourth proportional to 1,085,669.70, 1,498,195.23 and 626,768.79 is: 864,924.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,669.70 : 1,498,195.23 = 626,768.79 : x
  2. Step 2: Convert to fraction form
    1,085,669.70/1,498,195.23 = 626,768.79/x
  3. Step 3: Cross multiply
    1,085,669.70x = 1,498,195.23 × 626,768.79
  4. Step 4: Simplify right side
    1,085,669.70x = 939,022,011,490.87
  5. Step 5: Solve for x
    x = 939,022,011,490.87/1,085,669.70
  6. Step 6: Final answer
    x = 864,924.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.