Home / 1,623,593.71-2,240,876.24-979,118.83

Finding the Fourth Proportional to 1,623,593.71, 2,240,876.24 and 979,118.83

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Solution

The fourth proportional to 1,623,593.71, 2,240,876.24 and 979,118.83 is: 1,351,375.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,593.71 : 2,240,876.24 = 979,118.83 : x
  2. Step 2: Convert to fraction form
    1,623,593.71/2,240,876.24 = 979,118.83/x
  3. Step 3: Cross multiply
    1,623,593.71x = 2,240,876.24 × 979,118.83
  4. Step 4: Simplify right side
    1,623,593.71x = 2,194,084,122,283.60
  5. Step 5: Solve for x
    x = 2,194,084,122,283.60/1,623,593.71
  6. Step 6: Final answer
    x = 1,351,375.11

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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.