Home / 685,786.50-946,166.67-444,254.22

Finding the Fourth Proportional to 685,786.50, 946,166.67 and 444,254.22

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Solution

The fourth proportional to 685,786.50, 946,166.67 and 444,254.22 is: 612,929.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,786.50 : 946,166.67 = 444,254.22 : x
  2. Step 2: Convert to fraction form
    685,786.50/946,166.67 = 444,254.22/x
  3. Step 3: Cross multiply
    685,786.50x = 946,166.67 × 444,254.22
  4. Step 4: Simplify right side
    685,786.50x = 420,338,535,970.85
  5. Step 5: Solve for x
    x = 420,338,535,970.85/685,786.50
  6. Step 6: Final answer
    x = 612,929.15

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Double scale
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Similar ratio
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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.