Home / 1,511,176.48-2,085,420.26-822,837.66

Finding the Fourth Proportional to 1,511,176.48, 2,085,420.26 and 822,837.66

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Solution

The fourth proportional to 1,511,176.48, 2,085,420.26 and 822,837.66 is: 1,135,514.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,176.48 : 2,085,420.26 = 822,837.66 : x
  2. Step 2: Convert to fraction form
    1,511,176.48/2,085,420.26 = 822,837.66/x
  3. Step 3: Cross multiply
    1,511,176.48x = 2,085,420.26 × 822,837.66
  4. Step 4: Simplify right side
    1,511,176.48x = 1,715,962,326,854.99
  5. Step 5: Solve for x
    x = 1,715,962,326,854.99/1,511,176.48
  6. Step 6: Final answer
    x = 1,135,514.18

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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.