Home / 1,419,616.80-2,128,647.60-577,216.80

Finding the Fourth Proportional to 1,419,616.80, 2,128,647.60 and 577,216.80

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Solution

The fourth proportional to 1,419,616.80, 2,128,647.60 and 577,216.80 is: 865,509.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,616.80 : 2,128,647.60 = 577,216.80 : x
  2. Step 2: Convert to fraction form
    1,419,616.80/2,128,647.60 = 577,216.80/x
  3. Step 3: Cross multiply
    1,419,616.80x = 2,128,647.60 × 577,216.80
  4. Step 4: Simplify right side
    1,419,616.80x = 1,228,691,155,999.68
  5. Step 5: Solve for x
    x = 1,228,691,155,999.68/1,419,616.80
  6. Step 6: Final answer
    x = 865,509.03

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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.