Home / 1,253,568.11-1,729,923.93-680,608.35

Finding the Fourth Proportional to 1,253,568.11, 1,729,923.93 and 680,608.35

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Solution

The fourth proportional to 1,253,568.11, 1,729,923.93 and 680,608.35 is: 939,239.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,568.11 : 1,729,923.93 = 680,608.35 : x
  2. Step 2: Convert to fraction form
    1,253,568.11/1,729,923.93 = 680,608.35/x
  3. Step 3: Cross multiply
    1,253,568.11x = 1,729,923.93 × 680,608.35
  4. Step 4: Simplify right side
    1,253,568.11x = 1,177,400,671,622.82
  5. Step 5: Solve for x
    x = 1,177,400,671,622.82/1,253,568.11
  6. Step 6: Final answer
    x = 939,239.49

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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.