Home / 1,253,120.06-1,729,259.37-680,147.93

Finding the Fourth Proportional to 1,253,120.06, 1,729,259.37 and 680,147.93

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Solution

The fourth proportional to 1,253,120.06, 1,729,259.37 and 680,147.93 is: 938,579.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,120.06 : 1,729,259.37 = 680,147.93 : x
  2. Step 2: Convert to fraction form
    1,253,120.06/1,729,259.37 = 680,147.93/x
  3. Step 3: Cross multiply
    1,253,120.06x = 1,729,259.37 × 680,147.93
  4. Step 4: Simplify right side
    1,253,120.06x = 1,176,152,177,447.58
  5. Step 5: Solve for x
    x = 1,176,152,177,447.58/1,253,120.06
  6. Step 6: Final answer
    x = 938,579.01

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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.