Home / 683,533.70-1,025,398.60-210,258.98

Finding the Fourth Proportional to 683,533.70, 1,025,398.60 and 210,258.98

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Solution

The fourth proportional to 683,533.70, 1,025,398.60 and 210,258.98 is: 315,418.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,533.70 : 1,025,398.60 = 210,258.98 : x
  2. Step 2: Convert to fraction form
    683,533.70/1,025,398.60 = 210,258.98/x
  3. Step 3: Cross multiply
    683,533.70x = 1,025,398.60 × 210,258.98
  4. Step 4: Simplify right side
    683,533.70x = 215,599,263,729.43
  5. Step 5: Solve for x
    x = 215,599,263,729.43/683,533.70
  6. Step 6: Final answer
    x = 315,418.63

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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.