Home / 1,259,862.26-1,738,298.14-769,705.61

Finding the Fourth Proportional to 1,259,862.26, 1,738,298.14 and 769,705.61

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Solution

The fourth proportional to 1,259,862.26, 1,738,298.14 and 769,705.61 is: 1,062,003.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,862.26 : 1,738,298.14 = 769,705.61 : x
  2. Step 2: Convert to fraction form
    1,259,862.26/1,738,298.14 = 769,705.61/x
  3. Step 3: Cross multiply
    1,259,862.26x = 1,738,298.14 × 769,705.61
  4. Step 4: Simplify right side
    1,259,862.26x = 1,337,977,819,594.81
  5. Step 5: Solve for x
    x = 1,337,977,819,594.81/1,259,862.26
  6. Step 6: Final answer
    x = 1,062,003.26

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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.