Home / 683,772.37-1,025,698.71-257,311.83

Finding the Fourth Proportional to 683,772.37, 1,025,698.71 and 257,311.83

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Solution

The fourth proportional to 683,772.37, 1,025,698.71 and 257,311.83 is: 385,982.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,772.37 : 1,025,698.71 = 257,311.83 : x
  2. Step 2: Convert to fraction form
    683,772.37/1,025,698.71 = 257,311.83/x
  3. Step 3: Cross multiply
    683,772.37x = 1,025,698.71 × 257,311.83
  4. Step 4: Simplify right side
    683,772.37x = 263,924,412,098.74
  5. Step 5: Solve for x
    x = 263,924,412,098.74/683,772.37
  6. Step 6: Final answer
    x = 385,982.86

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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.