Home / 682,990.20-1,024,306.74-203,088.78

Finding the Fourth Proportional to 682,990.20, 1,024,306.74 and 203,088.78

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Solution

The fourth proportional to 682,990.20, 1,024,306.74 and 203,088.78 is: 304,580.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,990.20 : 1,024,306.74 = 203,088.78 : x
  2. Step 2: Convert to fraction form
    682,990.20/1,024,306.74 = 203,088.78/x
  3. Step 3: Cross multiply
    682,990.20x = 1,024,306.74 × 203,088.78
  4. Step 4: Simplify right side
    682,990.20x = 208,025,206,172.38
  5. Step 5: Solve for x
    x = 208,025,206,172.38/682,990.20
  6. Step 6: Final answer
    x = 304,580.07

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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.