Home / 1,208,039.83-1,667,106.35-664,179.37

Finding the Fourth Proportional to 1,208,039.83, 1,667,106.35 and 664,179.37

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Solution

The fourth proportional to 1,208,039.83, 1,667,106.35 and 664,179.37 is: 916,573.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,039.83 : 1,667,106.35 = 664,179.37 : x
  2. Step 2: Convert to fraction form
    1,208,039.83/1,667,106.35 = 664,179.37/x
  3. Step 3: Cross multiply
    1,208,039.83x = 1,667,106.35 × 664,179.37
  4. Step 4: Simplify right side
    1,208,039.83x = 1,107,257,645,266.00
  5. Step 5: Solve for x
    x = 1,107,257,645,266.00/1,208,039.83
  6. Step 6: Final answer
    x = 916,573.79

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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.