Home / 1,883,977.20-2,826,138.60-621,807.60

Finding the Fourth Proportional to 1,883,977.20, 2,826,138.60 and 621,807.60

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Solution

The fourth proportional to 1,883,977.20, 2,826,138.60 and 621,807.60 is: 932,768.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883,977.20 : 2,826,138.60 = 621,807.60 : x
  2. Step 2: Convert to fraction form
    1,883,977.20/2,826,138.60 = 621,807.60/x
  3. Step 3: Cross multiply
    1,883,977.20x = 2,826,138.60 × 621,807.60
  4. Step 4: Simplify right side
    1,883,977.20x = 1,757,314,460,133.36
  5. Step 5: Solve for x
    x = 1,757,314,460,133.36/1,883,977.20
  6. Step 6: Final answer
    x = 932,768.43

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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.