Home / 923,399.48-1,274,167.71-515,441.97

Finding the Fourth Proportional to 923,399.48, 1,274,167.71 and 515,441.97

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Solution

The fourth proportional to 923,399.48, 1,274,167.71 and 515,441.97 is: 711,240.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,399.48 : 1,274,167.71 = 515,441.97 : x
  2. Step 2: Convert to fraction form
    923,399.48/1,274,167.71 = 515,441.97/x
  3. Step 3: Cross multiply
    923,399.48x = 1,274,167.71 × 515,441.97
  4. Step 4: Simplify right side
    923,399.48x = 656,759,514,552.79
  5. Step 5: Solve for x
    x = 656,759,514,552.79/923,399.48
  6. Step 6: Final answer
    x = 711,240.94

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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.