Home / 632,105.61-947,960.78-211,283.07

Finding the Fourth Proportional to 632,105.61, 947,960.78 and 211,283.07

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Solution

The fourth proportional to 632,105.61, 947,960.78 and 211,283.07 is: 316,858.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,105.61 : 947,960.78 = 211,283.07 : x
  2. Step 2: Convert to fraction form
    632,105.61/947,960.78 = 211,283.07/x
  3. Step 3: Cross multiply
    632,105.61x = 947,960.78 × 211,283.07
  4. Step 4: Simplify right side
    632,105.61x = 200,288,062,781.58
  5. Step 5: Solve for x
    x = 200,288,062,781.58/632,105.61
  6. Step 6: Final answer
    x = 316,858.54

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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.