Home / 1,089,968.52-1,635,064.26-416,616.60

Finding the Fourth Proportional to 1,089,968.52, 1,635,064.26 and 416,616.60

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Solution

The fourth proportional to 1,089,968.52, 1,635,064.26 and 416,616.60 is: 624,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,968.52 : 1,635,064.26 = 416,616.60 : x
  2. Step 2: Convert to fraction form
    1,089,968.52/1,635,064.26 = 416,616.60/x
  3. Step 3: Cross multiply
    1,089,968.52x = 1,635,064.26 × 416,616.60
  4. Step 4: Simplify right side
    1,089,968.52x = 681,194,912,782.72
  5. Step 5: Solve for x
    x = 681,194,912,782.72/1,089,968.52
  6. Step 6: Final answer
    x = 624,967.51

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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.