Home / 726,852.39-1,090,322.34-228,216.39

Finding the Fourth Proportional to 726,852.39, 1,090,322.34 and 228,216.39

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Solution

The fourth proportional to 726,852.39, 1,090,322.34 and 228,216.39 is: 342,338.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,852.39 : 1,090,322.34 = 228,216.39 : x
  2. Step 2: Convert to fraction form
    726,852.39/1,090,322.34 = 228,216.39/x
  3. Step 3: Cross multiply
    726,852.39x = 1,090,322.34 × 228,216.39
  4. Step 4: Simplify right side
    726,852.39x = 248,829,428,371.15
  5. Step 5: Solve for x
    x = 248,829,428,371.15/726,852.39
  6. Step 6: Final answer
    x = 342,338.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.