Home / 428,599.15-591,252.72-273,622.86

Finding the Fourth Proportional to 428,599.15, 591,252.72 and 273,622.86

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Solution

The fourth proportional to 428,599.15, 591,252.72 and 273,622.86 is: 377,462.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,599.15 : 591,252.72 = 273,622.86 : x
  2. Step 2: Convert to fraction form
    428,599.15/591,252.72 = 273,622.86/x
  3. Step 3: Cross multiply
    428,599.15x = 591,252.72 × 273,622.86
  4. Step 4: Simplify right side
    428,599.15x = 161,780,259,203.09
  5. Step 5: Solve for x
    x = 161,780,259,203.09/428,599.15
  6. Step 6: Final answer
    x = 377,462.86

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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.