Home / 1,643,253.66-2,466,910.26-779,514.39

Finding the Fourth Proportional to 1,643,253.66, 2,466,910.26 and 779,514.39

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Solution

The fourth proportional to 1,643,253.66, 2,466,910.26 and 779,514.39 is: 1,170,234.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,253.66 : 2,466,910.26 = 779,514.39 : x
  2. Step 2: Convert to fraction form
    1,643,253.66/2,466,910.26 = 779,514.39/x
  3. Step 3: Cross multiply
    1,643,253.66x = 2,466,910.26 × 779,514.39
  4. Step 4: Simplify right side
    1,643,253.66x = 1,922,992,046,508.64
  5. Step 5: Solve for x
    x = 1,922,992,046,508.64/1,643,253.66
  6. Step 6: Final answer
    x = 1,170,234.45

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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.