Home / 923,540.43-1,274,473.29-515,648.52

Finding the Fourth Proportional to 923,540.43, 1,274,473.29 and 515,648.52

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Solution

The fourth proportional to 923,540.43, 1,274,473.29 and 515,648.52 is: 711,587.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,540.43 : 1,274,473.29 = 515,648.52 : x
  2. Step 2: Convert to fraction form
    923,540.43/1,274,473.29 = 515,648.52/x
  3. Step 3: Cross multiply
    923,540.43x = 1,274,473.29 × 515,648.52
  4. Step 4: Simplify right side
    923,540.43x = 657,180,265,768.03
  5. Step 5: Solve for x
    x = 657,180,265,768.03/923,540.43
  6. Step 6: Final answer
    x = 711,587.98

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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.