Home / 1,419,324.60-2,128,330.80-620,194.80

Finding the Fourth Proportional to 1,419,324.60, 2,128,330.80 and 620,194.80

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Solution

The fourth proportional to 1,419,324.60, 2,128,330.80 and 620,194.80 is: 930,005.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,324.60 : 2,128,330.80 = 620,194.80 : x
  2. Step 2: Convert to fraction form
    1,419,324.60/2,128,330.80 = 620,194.80/x
  3. Step 3: Cross multiply
    1,419,324.60x = 2,128,330.80 × 620,194.80
  4. Step 4: Simplify right side
    1,419,324.60x = 1,319,979,694,839.84
  5. Step 5: Solve for x
    x = 1,319,979,694,839.84/1,419,324.60
  6. Step 6: Final answer
    x = 930,005.51

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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.