Home / 1,328,522.40-1,998,032.40-1,192,053.60

Finding the Fourth Proportional to 1,328,522.40, 1,998,032.40 and 1,192,053.60

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Solution

The fourth proportional to 1,328,522.40, 1,998,032.40 and 1,192,053.60 is: 1,792,790.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,522.40 : 1,998,032.40 = 1,192,053.60 : x
  2. Step 2: Convert to fraction form
    1,328,522.40/1,998,032.40 = 1,192,053.60/x
  3. Step 3: Cross multiply
    1,328,522.40x = 1,998,032.40 × 1,192,053.60
  4. Step 4: Simplify right side
    1,328,522.40x = 2,381,761,715,336.64
  5. Step 5: Solve for x
    x = 2,381,761,715,336.64/1,328,522.40
  6. Step 6: Final answer
    x = 1,792,790.03

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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.