Home / 1,286,006.54-1,928,615.82-889,197.26

Finding the Fourth Proportional to 1,286,006.54, 1,928,615.82 and 889,197.26

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Solution

The fourth proportional to 1,286,006.54, 1,928,615.82 and 889,197.26 is: 1,333,523.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,006.54 : 1,928,615.82 = 889,197.26 : x
  2. Step 2: Convert to fraction form
    1,286,006.54/1,928,615.82 = 889,197.26/x
  3. Step 3: Cross multiply
    1,286,006.54x = 1,928,615.82 × 889,197.26
  4. Step 4: Simplify right side
    1,286,006.54x = 1,714,919,893,093.57
  5. Step 5: Solve for x
    x = 1,714,919,893,093.57/1,286,006.54
  6. Step 6: Final answer
    x = 1,333,523.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.