Home / 465,928.41-642,826.56-379,739.19

Finding the Fourth Proportional to 465,928.41, 642,826.56 and 379,739.19

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Solution

The fourth proportional to 465,928.41, 642,826.56 and 379,739.19 is: 523,914.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,928.41 : 642,826.56 = 379,739.19 : x
  2. Step 2: Convert to fraction form
    465,928.41/642,826.56 = 379,739.19/x
  3. Step 3: Cross multiply
    465,928.41x = 642,826.56 × 379,739.19
  4. Step 4: Simplify right side
    465,928.41x = 244,106,437,204.89
  5. Step 5: Solve for x
    x = 244,106,437,204.89/465,928.41
  6. Step 6: Final answer
    x = 523,914.04

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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.