Home / 1,183,192.54-1,632,806.14-639,328.32

Finding the Fourth Proportional to 1,183,192.54, 1,632,806.14 and 639,328.32

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Solution

The fourth proportional to 1,183,192.54, 1,632,806.14 and 639,328.32 is: 882,273.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,192.54 : 1,632,806.14 = 639,328.32 : x
  2. Step 2: Convert to fraction form
    1,183,192.54/1,632,806.14 = 639,328.32/x
  3. Step 3: Cross multiply
    1,183,192.54x = 1,632,806.14 × 639,328.32
  4. Step 4: Simplify right side
    1,183,192.54x = 1,043,899,210,896.59
  5. Step 5: Solve for x
    x = 1,043,899,210,896.59/1,183,192.54
  6. Step 6: Final answer
    x = 882,273.32

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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.