Home / 923,251.36-1,274,083.44-515,349.64

Finding the Fourth Proportional to 923,251.36, 1,274,083.44 and 515,349.64

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Solution

The fourth proportional to 923,251.36, 1,274,083.44 and 515,349.64 is: 711,180.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,251.36 : 1,274,083.44 = 515,349.64 : x
  2. Step 2: Convert to fraction form
    923,251.36/1,274,083.44 = 515,349.64/x
  3. Step 3: Cross multiply
    923,251.36x = 1,274,083.44 × 515,349.64
  4. Step 4: Simplify right side
    923,251.36x = 656,598,442,133.96
  5. Step 5: Solve for x
    x = 656,598,442,133.96/923,251.36
  6. Step 6: Final answer
    x = 711,180.58

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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.