Home / 1,644,263.89-2,269,044.14-919,196.85

Finding the Fourth Proportional to 1,644,263.89, 2,269,044.14 and 919,196.85

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Solution

The fourth proportional to 1,644,263.89, 2,269,044.14 and 919,196.85 is: 1,268,469.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,263.89 : 2,269,044.14 = 919,196.85 : x
  2. Step 2: Convert to fraction form
    1,644,263.89/2,269,044.14 = 919,196.85/x
  3. Step 3: Cross multiply
    1,644,263.89x = 2,269,044.14 × 919,196.85
  4. Step 4: Simplify right side
    1,644,263.89x = 2,085,698,225,998.96
  5. Step 5: Solve for x
    x = 2,085,698,225,998.96/1,644,263.89
  6. Step 6: Final answer
    x = 1,268,469.28

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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.