Home / 751,226.12-1,036,748.22-464,912.72

Finding the Fourth Proportional to 751,226.12, 1,036,748.22 and 464,912.72

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Solution

The fourth proportional to 751,226.12, 1,036,748.22 and 464,912.72 is: 641,614.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,226.12 : 1,036,748.22 = 464,912.72 : x
  2. Step 2: Convert to fraction form
    751,226.12/1,036,748.22 = 464,912.72/x
  3. Step 3: Cross multiply
    751,226.12x = 1,036,748.22 × 464,912.72
  4. Step 4: Simplify right side
    751,226.12x = 481,997,434,915.36
  5. Step 5: Solve for x
    x = 481,997,434,915.36/751,226.12
  6. Step 6: Final answer
    x = 641,614.32

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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.