Home / 550,584.41-826,177.62-213,638.34

Finding the Fourth Proportional to 550,584.41, 826,177.62 and 213,638.34

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Solution

The fourth proportional to 550,584.41, 826,177.62 and 213,638.34 is: 320,574.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,584.41 : 826,177.62 = 213,638.34 : x
  2. Step 2: Convert to fraction form
    550,584.41/826,177.62 = 213,638.34/x
  3. Step 3: Cross multiply
    550,584.41x = 826,177.62 × 213,638.34
  4. Step 4: Simplify right side
    550,584.41x = 176,503,215,281.95
  5. Step 5: Solve for x
    x = 176,503,215,281.95/550,584.41
  6. Step 6: Final answer
    x = 320,574.31

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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.