Home / 591,120.98-886,806.06-191,730.68

Finding the Fourth Proportional to 591,120.98, 886,806.06 and 191,730.68

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Solution

The fourth proportional to 591,120.98, 886,806.06 and 191,730.68 is: 287,636.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,120.98 : 886,806.06 = 191,730.68 : x
  2. Step 2: Convert to fraction form
    591,120.98/886,806.06 = 191,730.68/x
  3. Step 3: Cross multiply
    591,120.98x = 886,806.06 × 191,730.68
  4. Step 4: Simplify right side
    591,120.98x = 170,027,928,911.92
  5. Step 5: Solve for x
    x = 170,027,928,911.92/591,120.98
  6. Step 6: Final answer
    x = 287,636.43

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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.