Home / 1,120,195.80-1,683,792.90-1,099,200.60

Finding the Fourth Proportional to 1,120,195.80, 1,683,792.90 and 1,099,200.60

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Solution

The fourth proportional to 1,120,195.80, 1,683,792.90 and 1,099,200.60 is: 1,652,234.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,195.80 : 1,683,792.90 = 1,099,200.60 : x
  2. Step 2: Convert to fraction form
    1,120,195.80/1,683,792.90 = 1,099,200.60/x
  3. Step 3: Cross multiply
    1,120,195.80x = 1,683,792.90 × 1,099,200.60
  4. Step 4: Simplify right side
    1,120,195.80x = 1,850,826,165,955.74
  5. Step 5: Solve for x
    x = 1,850,826,165,955.74/1,120,195.80
  6. Step 6: Final answer
    x = 1,652,234.52

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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.