Home / 505,339.11-697,049.42-323,863.47

Finding the Fourth Proportional to 505,339.11, 697,049.42 and 323,863.47

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Solution

The fourth proportional to 505,339.11, 697,049.42 and 323,863.47 is: 446,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,339.11 : 697,049.42 = 323,863.47 : x
  2. Step 2: Convert to fraction form
    505,339.11/697,049.42 = 323,863.47/x
  3. Step 3: Cross multiply
    505,339.11x = 697,049.42 × 323,863.47
  4. Step 4: Simplify right side
    505,339.11x = 225,748,842,303.37
  5. Step 5: Solve for x
    x = 225,748,842,303.37/505,339.11
  6. Step 6: Final answer
    x = 446,727.43

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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.