Home / 1,519,388.97-2,278,242.07-621,461.25

Finding the Fourth Proportional to 1,519,388.97, 2,278,242.07 and 621,461.25

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Solution

The fourth proportional to 1,519,388.97, 2,278,242.07 and 621,461.25 is: 931,847.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,388.97 : 2,278,242.07 = 621,461.25 : x
  2. Step 2: Convert to fraction form
    1,519,388.97/2,278,242.07 = 621,461.25/x
  3. Step 3: Cross multiply
    1,519,388.97x = 2,278,242.07 × 621,461.25
  4. Step 4: Simplify right side
    1,519,388.97x = 1,415,839,163,071.13
  5. Step 5: Solve for x
    x = 1,415,839,163,071.13/1,519,388.97
  6. Step 6: Final answer
    x = 931,847.73

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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.