Home / 450,706.44-621,973.80-269,409.56

Finding the Fourth Proportional to 450,706.44, 621,973.80 and 269,409.56

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Solution

The fourth proportional to 450,706.44, 621,973.80 and 269,409.56 is: 371,784.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,706.44 : 621,973.80 = 269,409.56 : x
  2. Step 2: Convert to fraction form
    450,706.44/621,973.80 = 269,409.56/x
  3. Step 3: Cross multiply
    450,706.44x = 621,973.80 × 269,409.56
  4. Step 4: Simplify right side
    450,706.44x = 167,565,687,789.53
  5. Step 5: Solve for x
    x = 167,565,687,789.53/450,706.44
  6. Step 6: Final answer
    x = 371,784.54

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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.