Home / 451,844.28-623,033.82-288,281.96

Finding the Fourth Proportional to 451,844.28, 623,033.82 and 288,281.96

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Solution

The fourth proportional to 451,844.28, 623,033.82 and 288,281.96 is: 397,502.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,844.28 : 623,033.82 = 288,281.96 : x
  2. Step 2: Convert to fraction form
    451,844.28/623,033.82 = 288,281.96/x
  3. Step 3: Cross multiply
    451,844.28x = 623,033.82 × 288,281.96
  4. Step 4: Simplify right side
    451,844.28x = 179,609,410,775.89
  5. Step 5: Solve for x
    x = 179,609,410,775.89/451,844.28
  6. Step 6: Final answer
    x = 397,502.90

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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.