Home / 923,268.54-1,274,174.64-515,450.55

Finding the Fourth Proportional to 923,268.54, 1,274,174.64 and 515,450.55

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Solution

The fourth proportional to 923,268.54, 1,274,174.64 and 515,450.55 is: 711,357.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,268.54 : 1,274,174.64 = 515,450.55 : x
  2. Step 2: Convert to fraction form
    923,268.54/1,274,174.64 = 515,450.55/x
  3. Step 3: Cross multiply
    923,268.54x = 1,274,174.64 × 515,450.55
  4. Step 4: Simplify right side
    923,268.54x = 656,774,018,984.05
  5. Step 5: Solve for x
    x = 656,774,018,984.05/923,268.54
  6. Step 6: Final answer
    x = 711,357.52

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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.