Home / 1,277,025.20-1,915,537.80-1,028,193.20

Finding the Fourth Proportional to 1,277,025.20, 1,915,537.80 and 1,028,193.20

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Solution

The fourth proportional to 1,277,025.20, 1,915,537.80 and 1,028,193.20 is: 1,542,289.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,025.20 : 1,915,537.80 = 1,028,193.20 : x
  2. Step 2: Convert to fraction form
    1,277,025.20/1,915,537.80 = 1,028,193.20/x
  3. Step 3: Cross multiply
    1,277,025.20x = 1,915,537.80 × 1,028,193.20
  4. Step 4: Simplify right side
    1,277,025.20x = 1,969,542,940,302.96
  5. Step 5: Solve for x
    x = 1,969,542,940,302.96/1,277,025.20
  6. Step 6: Final answer
    x = 1,542,289.80

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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.