Home / 1,138,961.16-1,571,799.42-629,696.52

Finding the Fourth Proportional to 1,138,961.16, 1,571,799.42 and 629,696.52

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Solution

The fourth proportional to 1,138,961.16, 1,571,799.42 and 629,696.52 is: 868,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,961.16 : 1,571,799.42 = 629,696.52 : x
  2. Step 2: Convert to fraction form
    1,138,961.16/1,571,799.42 = 629,696.52/x
  3. Step 3: Cross multiply
    1,138,961.16x = 1,571,799.42 × 629,696.52
  4. Step 4: Simplify right side
    1,138,961.16x = 989,756,624,912.02
  5. Step 5: Solve for x
    x = 989,756,624,912.02/1,138,961.16
  6. Step 6: Final answer
    x = 868,999.45

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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.