Home / 1,515,209.45-2,091,033.11-826,925.57

Finding the Fourth Proportional to 1,515,209.45, 2,091,033.11 and 826,925.57

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Solution

The fourth proportional to 1,515,209.45, 2,091,033.11 and 826,925.57 is: 1,141,181.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,209.45 : 2,091,033.11 = 826,925.57 : x
  2. Step 2: Convert to fraction form
    1,515,209.45/2,091,033.11 = 826,925.57/x
  3. Step 3: Cross multiply
    1,515,209.45x = 2,091,033.11 × 826,925.57
  4. Step 4: Simplify right side
    1,515,209.45x = 1,729,128,752,939.75
  5. Step 5: Solve for x
    x = 1,729,128,752,939.75/1,515,209.45
  6. Step 6: Final answer
    x = 1,141,181.34

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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.