Home / 751,220.12-1,036,739.94-464,906.72

Finding the Fourth Proportional to 751,220.12, 1,036,739.94 and 464,906.72

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Solution

The fourth proportional to 751,220.12, 1,036,739.94 and 464,906.72 is: 641,606.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,220.12 : 1,036,739.94 = 464,906.72 : x
  2. Step 2: Convert to fraction form
    751,220.12/1,036,739.94 = 464,906.72/x
  3. Step 3: Cross multiply
    751,220.12x = 1,036,739.94 × 464,906.72
  4. Step 4: Simplify right side
    751,220.12x = 481,987,364,998.40
  5. Step 5: Solve for x
    x = 481,987,364,998.40/751,220.12
  6. Step 6: Final answer
    x = 641,606.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.