Home / 923,556.72-1,274,496.14-515,665.48

Finding the Fourth Proportional to 923,556.72, 1,274,496.14 and 515,665.48

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Solution

The fourth proportional to 923,556.72, 1,274,496.14 and 515,665.48 is: 711,611.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,556.72 : 1,274,496.14 = 515,665.48 : x
  2. Step 2: Convert to fraction form
    923,556.72/1,274,496.14 = 515,665.48/x
  3. Step 3: Cross multiply
    923,556.72x = 1,274,496.14 × 515,665.48
  4. Step 4: Simplify right side
    923,556.72x = 657,213,663,791.25
  5. Step 5: Solve for x
    x = 657,213,663,791.25/923,556.72
  6. Step 6: Final answer
    x = 711,611.59

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.