Home / 1,085,825.35-1,498,571.87-626,939.15

Finding the Fourth Proportional to 1,085,825.35, 1,498,571.87 and 626,939.15

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Solution

The fourth proportional to 1,085,825.35, 1,498,571.87 and 626,939.15 is: 865,252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,825.35 : 1,498,571.87 = 626,939.15 : x
  2. Step 2: Convert to fraction form
    1,085,825.35/1,498,571.87 = 626,939.15/x
  3. Step 3: Cross multiply
    1,085,825.35x = 1,498,571.87 × 626,939.15
  4. Step 4: Simplify right side
    1,085,825.35x = 939,513,372,193.62
  5. Step 5: Solve for x
    x = 939,513,372,193.62/1,085,825.35
  6. Step 6: Final answer
    x = 865,252.76

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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.