Home / 1,511,607.80-2,085,864-930,738.80

Finding the Fourth Proportional to 1,511,607.80, 2,085,864 and 930,738.80

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Solution

The fourth proportional to 1,511,607.80, 2,085,864 and 930,738.80 is: 1,284,324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,607.80 : 2,085,864 = 930,738.80 : x
  2. Step 2: Convert to fraction form
    1,511,607.80/2,085,864 = 930,738.80/x
  3. Step 3: Cross multiply
    1,511,607.80x = 2,085,864 × 930,738.80
  4. Step 4: Simplify right side
    1,511,607.80x = 1,941,394,556,323.20
  5. Step 5: Solve for x
    x = 1,941,394,556,323.20/1,511,607.80
  6. Step 6: Final answer
    x = 1,284,324.25

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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.