Home / 1,644,109.29-2,268,714.96-918,940.41

Finding the Fourth Proportional to 1,644,109.29, 2,268,714.96 and 918,940.41

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Solution

The fourth proportional to 1,644,109.29, 2,268,714.96 and 918,940.41 is: 1,268,050.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,109.29 : 2,268,714.96 = 918,940.41 : x
  2. Step 2: Convert to fraction form
    1,644,109.29/2,268,714.96 = 918,940.41/x
  3. Step 3: Cross multiply
    1,644,109.29x = 2,268,714.96 × 918,940.41
  4. Step 4: Simplify right side
    1,644,109.29x = 2,084,813,855,515.53
  5. Step 5: Solve for x
    x = 2,084,813,855,515.53/1,644,109.29
  6. Step 6: Final answer
    x = 1,268,050.65

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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.