Home / 1,396,349.54-2,097,677.30-828,103.36

Finding the Fourth Proportional to 1,396,349.54, 2,097,677.30 and 828,103.36

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Solution

The fourth proportional to 1,396,349.54, 2,097,677.30 and 828,103.36 is: 1,244,024.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,349.54 : 2,097,677.30 = 828,103.36 : x
  2. Step 2: Convert to fraction form
    1,396,349.54/2,097,677.30 = 828,103.36/x
  3. Step 3: Cross multiply
    1,396,349.54x = 2,097,677.30 × 828,103.36
  4. Step 4: Simplify right side
    1,396,349.54x = 1,737,093,614,874.16
  5. Step 5: Solve for x
    x = 1,737,093,614,874.16/1,396,349.54
  6. Step 6: Final answer
    x = 1,244,024.91

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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.