Home / 482,828-724,269.68-127,832.80

Finding the Fourth Proportional to 482,828, 724,269.68 and 127,832.80

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Solution

The fourth proportional to 482,828, 724,269.68 and 127,832.80 is: 191,756.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,828 : 724,269.68 = 127,832.80 : x
  2. Step 2: Convert to fraction form
    482,828/724,269.68 = 127,832.80/x
  3. Step 3: Cross multiply
    482,828x = 724,269.68 × 127,832.80
  4. Step 4: Simplify right side
    482,828x = 92,585,421,149.50
  5. Step 5: Solve for x
    x = 92,585,421,149.50/482,828
  6. Step 6: Final answer
    x = 191,756.53

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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.