Home / 683,309.57-1,024,991.89-256,800.83

Finding the Fourth Proportional to 683,309.57, 1,024,991.89 and 256,800.83

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Solution

The fourth proportional to 683,309.57, 1,024,991.89 and 256,800.83 is: 385,211.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,309.57 : 1,024,991.89 = 256,800.83 : x
  2. Step 2: Convert to fraction form
    683,309.57/1,024,991.89 = 256,800.83/x
  3. Step 3: Cross multiply
    683,309.57x = 1,024,991.89 × 256,800.83
  4. Step 4: Simplify right side
    683,309.57x = 263,218,762,328.31
  5. Step 5: Solve for x
    x = 263,218,762,328.31/683,309.57
  6. Step 6: Final answer
    x = 385,211.59

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1.5x scale

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.