Home / 1,644,363.40-2,269,230.60-919,241.68

Finding the Fourth Proportional to 1,644,363.40, 2,269,230.60 and 919,241.68

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Solution

The fourth proportional to 1,644,363.40, 2,269,230.60 and 919,241.68 is: 1,268,558.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,363.40 : 2,269,230.60 = 919,241.68 : x
  2. Step 2: Convert to fraction form
    1,644,363.40/2,269,230.60 = 919,241.68/x
  3. Step 3: Cross multiply
    1,644,363.40x = 2,269,230.60 × 919,241.68
  4. Step 4: Simplify right side
    1,644,363.40x = 2,085,971,352,426.38
  5. Step 5: Solve for x
    x = 2,085,971,352,426.38/1,644,363.40
  6. Step 6: Final answer
    x = 1,268,558.61

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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.