Home / 923,653.26-1,274,629.43-515,762.07

Finding the Fourth Proportional to 923,653.26, 1,274,629.43 and 515,762.07

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Solution

The fourth proportional to 923,653.26, 1,274,629.43 and 515,762.07 is: 711,744.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,653.26 : 1,274,629.43 = 515,762.07 : x
  2. Step 2: Convert to fraction form
    923,653.26/1,274,629.43 = 515,762.07/x
  3. Step 3: Cross multiply
    923,653.26x = 1,274,629.43 × 515,762.07
  4. Step 4: Simplify right side
    923,653.26x = 657,405,509,809.27
  5. Step 5: Solve for x
    x = 657,405,509,809.27/923,653.26
  6. Step 6: Final answer
    x = 711,744.91

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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.