Home / 1,203,517.35-1,660,867.07-659,641.23

Finding the Fourth Proportional to 1,203,517.35, 1,660,867.07 and 659,641.23

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Solution

The fourth proportional to 1,203,517.35, 1,660,867.07 and 659,641.23 is: 910,312.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,517.35 : 1,660,867.07 = 659,641.23 : x
  2. Step 2: Convert to fraction form
    1,203,517.35/1,660,867.07 = 659,641.23/x
  3. Step 3: Cross multiply
    1,203,517.35x = 1,660,867.07 × 659,641.23
  4. Step 4: Simplify right side
    1,203,517.35x = 1,095,576,393,623.09
  5. Step 5: Solve for x
    x = 1,095,576,393,623.09/1,203,517.35
  6. Step 6: Final answer
    x = 910,312.09

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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.