Home / 1,515,212.88-2,091,037.82-826,929

Finding the Fourth Proportional to 1,515,212.88, 2,091,037.82 and 826,929

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Solution

The fourth proportional to 1,515,212.88, 2,091,037.82 and 826,929 is: 1,141,186.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,212.88 : 2,091,037.82 = 826,929 : x
  2. Step 2: Convert to fraction form
    1,515,212.88/2,091,037.82 = 826,929/x
  3. Step 3: Cross multiply
    1,515,212.88x = 2,091,037.82 × 826,929
  4. Step 4: Simplify right side
    1,515,212.88x = 1,729,139,815,522.10
  5. Step 5: Solve for x
    x = 1,729,139,815,522.10/1,515,212.88
  6. Step 6: Final answer
    x = 1,141,186.06

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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.