Home / 571,723.25-856,441.35-343,893.06

Finding the Fourth Proportional to 571,723.25, 856,441.35 and 343,893.06

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Solution

The fourth proportional to 571,723.25, 856,441.35 and 343,893.06 is: 515,151.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,723.25 : 856,441.35 = 343,893.06 : x
  2. Step 2: Convert to fraction form
    571,723.25/856,441.35 = 343,893.06/x
  3. Step 3: Cross multiply
    571,723.25x = 856,441.35 × 343,893.06
  4. Step 4: Simplify right side
    571,723.25x = 294,524,236,562.03
  5. Step 5: Solve for x
    x = 294,524,236,562.03/571,723.25
  6. Step 6: Final answer
    x = 515,151.76

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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.