Home / 1,639,131.12-2,458,507.55-440,959.28

Finding the Fourth Proportional to 1,639,131.12, 2,458,507.55 and 440,959.28

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Solution

The fourth proportional to 1,639,131.12, 2,458,507.55 and 440,959.28 is: 661,388.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,131.12 : 2,458,507.55 = 440,959.28 : x
  2. Step 2: Convert to fraction form
    1,639,131.12/2,458,507.55 = 440,959.28/x
  3. Step 3: Cross multiply
    1,639,131.12x = 2,458,507.55 × 440,959.28
  4. Step 4: Simplify right side
    1,639,131.12x = 1,084,101,704,625.23
  5. Step 5: Solve for x
    x = 1,084,101,704,625.23/1,639,131.12
  6. Step 6: Final answer
    x = 661,388.03

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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.