Home / 422,810.96-583,474.68-231,823.88

Finding the Fourth Proportional to 422,810.96, 583,474.68 and 231,823.88

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Solution

The fourth proportional to 422,810.96, 583,474.68 and 231,823.88 is: 319,914.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,810.96 : 583,474.68 = 231,823.88 : x
  2. Step 2: Convert to fraction form
    422,810.96/583,474.68 = 231,823.88/x
  3. Step 3: Cross multiply
    422,810.96x = 583,474.68 × 231,823.88
  4. Step 4: Simplify right side
    422,810.96x = 135,263,364,199.36
  5. Step 5: Solve for x
    x = 135,263,364,199.36/422,810.96
  6. Step 6: Final answer
    x = 319,914.52

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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.