Home / 1,216,388.26-1,678,444.23-699,945.76

Finding the Fourth Proportional to 1,216,388.26, 1,678,444.23 and 699,945.76

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Solution

The fourth proportional to 1,216,388.26, 1,678,444.23 and 699,945.76 is: 965,826.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,388.26 : 1,678,444.23 = 699,945.76 : x
  2. Step 2: Convert to fraction form
    1,216,388.26/1,678,444.23 = 699,945.76/x
  3. Step 3: Cross multiply
    1,216,388.26x = 1,678,444.23 × 699,945.76
  4. Step 4: Simplify right side
    1,216,388.26x = 1,174,819,922,184.96
  5. Step 5: Solve for x
    x = 1,174,819,922,184.96/1,216,388.26
  6. Step 6: Final answer
    x = 965,826.42

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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.