Home / 923,556.43-1,274,495.77-515,665.19

Finding the Fourth Proportional to 923,556.43, 1,274,495.77 and 515,665.19

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Solution

The fourth proportional to 923,556.43, 1,274,495.77 and 515,665.19 is: 711,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,556.43 : 1,274,495.77 = 515,665.19 : x
  2. Step 2: Convert to fraction form
    923,556.43/1,274,495.77 = 515,665.19/x
  3. Step 3: Cross multiply
    923,556.43x = 1,274,495.77 × 515,665.19
  4. Step 4: Simplify right side
    923,556.43x = 657,213,103,391.25
  5. Step 5: Solve for x
    x = 657,213,103,391.25/923,556.43
  6. Step 6: Final answer
    x = 711,611.20

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Double scale
Find fourth proportional to 923,557.43, 1,274,497.15 and 515,666.19
Similar ratio
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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.