Home / 1,121,766.62-1,683,004-853,181.34

Finding the Fourth Proportional to 1,121,766.62, 1,683,004 and 853,181.34

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Solution

The fourth proportional to 1,121,766.62, 1,683,004 and 853,181.34 is: 1,280,041.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,766.62 : 1,683,004 = 853,181.34 : x
  2. Step 2: Convert to fraction form
    1,121,766.62/1,683,004 = 853,181.34/x
  3. Step 3: Cross multiply
    1,121,766.62x = 1,683,004 × 853,181.34
  4. Step 4: Simplify right side
    1,121,766.62x = 1,435,907,607,945.36
  5. Step 5: Solve for x
    x = 1,435,907,607,945.36/1,121,766.62
  6. Step 6: Final answer
    x = 1,280,041.30

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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.