Home / 685,896.27-946,365.86-395,596.62

Finding the Fourth Proportional to 685,896.27, 946,365.86 and 395,596.62

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Solution

The fourth proportional to 685,896.27, 946,365.86 and 395,596.62 is: 545,824.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,896.27 : 946,365.86 = 395,596.62 : x
  2. Step 2: Convert to fraction form
    685,896.27/946,365.86 = 395,596.62/x
  3. Step 3: Cross multiply
    685,896.27x = 946,365.86 × 395,596.62
  4. Step 4: Simplify right side
    685,896.27x = 374,379,137,070.28
  5. Step 5: Solve for x
    x = 374,379,137,070.28/685,896.27
  6. Step 6: Final answer
    x = 545,824.72

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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.