Home / 894,135.72-1,233,857.43-512,187.12

Finding the Fourth Proportional to 894,135.72, 1,233,857.43 and 512,187.12

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Solution

The fourth proportional to 894,135.72, 1,233,857.43 and 512,187.12 is: 706,789.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,135.72 : 1,233,857.43 = 512,187.12 : x
  2. Step 2: Convert to fraction form
    894,135.72/1,233,857.43 = 512,187.12/x
  3. Step 3: Cross multiply
    894,135.72x = 1,233,857.43 × 512,187.12
  4. Step 4: Simplify right side
    894,135.72x = 631,965,883,562.30
  5. Step 5: Solve for x
    x = 631,965,883,562.30/894,135.72
  6. Step 6: Final answer
    x = 706,789.66

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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.