Home / 756,239.25-1,043,632.44-416,729.37

Finding the Fourth Proportional to 756,239.25, 1,043,632.44 and 416,729.37

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Solution

The fourth proportional to 756,239.25, 1,043,632.44 and 416,729.37 is: 575,098.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,239.25 : 1,043,632.44 = 416,729.37 : x
  2. Step 2: Convert to fraction form
    756,239.25/1,043,632.44 = 416,729.37/x
  3. Step 3: Cross multiply
    756,239.25x = 1,043,632.44 × 416,729.37
  4. Step 4: Simplify right side
    756,239.25x = 434,912,289,232.76
  5. Step 5: Solve for x
    x = 434,912,289,232.76/756,239.25
  6. Step 6: Final answer
    x = 575,098.81

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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.