Home / 1,206,857.68-1,664,724.87-716,494.39

Finding the Fourth Proportional to 1,206,857.68, 1,664,724.87 and 716,494.39

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Solution

The fourth proportional to 1,206,857.68, 1,664,724.87 and 716,494.39 is: 988,323.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,857.68 : 1,664,724.87 = 716,494.39 : x
  2. Step 2: Convert to fraction form
    1,206,857.68/1,664,724.87 = 716,494.39/x
  3. Step 3: Cross multiply
    1,206,857.68x = 1,664,724.87 × 716,494.39
  4. Step 4: Simplify right side
    1,206,857.68x = 1,192,766,030,248.48
  5. Step 5: Solve for x
    x = 1,192,766,030,248.48/1,206,857.68
  6. Step 6: Final answer
    x = 988,323.69

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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.