Home / 621,833.54-931,255.56-354,784.43

Finding the Fourth Proportional to 621,833.54, 931,255.56 and 354,784.43

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Solution

The fourth proportional to 621,833.54, 931,255.56 and 354,784.43 is: 531,323.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,833.54 : 931,255.56 = 354,784.43 : x
  2. Step 2: Convert to fraction form
    621,833.54/931,255.56 = 354,784.43/x
  3. Step 3: Cross multiply
    621,833.54x = 931,255.56 × 354,784.43
  4. Step 4: Simplify right side
    621,833.54x = 330,394,968,382.65
  5. Step 5: Solve for x
    x = 330,394,968,382.65/621,833.54
  6. Step 6: Final answer
    x = 531,323.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.