Home / 1,259,806.25-1,738,531.40-686,846.27

Finding the Fourth Proportional to 1,259,806.25, 1,738,531.40 and 686,846.27

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Solution

The fourth proportional to 1,259,806.25, 1,738,531.40 and 686,846.27 is: 947,847.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,806.25 : 1,738,531.40 = 686,846.27 : x
  2. Step 2: Convert to fraction form
    1,259,806.25/1,738,531.40 = 686,846.27/x
  3. Step 3: Cross multiply
    1,259,806.25x = 1,738,531.40 × 686,846.27
  4. Step 4: Simplify right side
    1,259,806.25x = 1,194,103,795,240.99
  5. Step 5: Solve for x
    x = 1,194,103,795,240.99/1,259,806.25
  6. Step 6: Final answer
    x = 947,847.18

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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.