Home / 1,081,771.56-1,621,782.54-451,157.40

Finding the Fourth Proportional to 1,081,771.56, 1,621,782.54 and 451,157.40

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Solution

The fourth proportional to 1,081,771.56, 1,621,782.54 and 451,157.40 is: 676,371.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,771.56 : 1,621,782.54 = 451,157.40 : x
  2. Step 2: Convert to fraction form
    1,081,771.56/1,621,782.54 = 451,157.40/x
  3. Step 3: Cross multiply
    1,081,771.56x = 1,621,782.54 × 451,157.40
  4. Step 4: Simplify right side
    1,081,771.56x = 731,679,194,111.80
  5. Step 5: Solve for x
    x = 731,679,194,111.80/1,081,771.56
  6. Step 6: Final answer
    x = 676,371.26

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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.