Home / 1,321,889.63-1,824,219.23-718,277.63

Finding the Fourth Proportional to 1,321,889.63, 1,824,219.23 and 718,277.63

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Solution

The fourth proportional to 1,321,889.63, 1,824,219.23 and 718,277.63 is: 991,229.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,889.63 : 1,824,219.23 = 718,277.63 : x
  2. Step 2: Convert to fraction form
    1,321,889.63/1,824,219.23 = 718,277.63/x
  3. Step 3: Cross multiply
    1,321,889.63x = 1,824,219.23 × 718,277.63
  4. Step 4: Simplify right side
    1,321,889.63x = 1,310,295,852,412.34
  5. Step 5: Solve for x
    x = 1,310,295,852,412.34/1,321,889.63
  6. Step 6: Final answer
    x = 991,229.39

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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.