Home / 1,362,040.14-1,878,715.44-851,856.78

Finding the Fourth Proportional to 1,362,040.14, 1,878,715.44 and 851,856.78

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Solution

The fourth proportional to 1,362,040.14, 1,878,715.44 and 851,856.78 is: 1,174,999.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,040.14 : 1,878,715.44 = 851,856.78 : x
  2. Step 2: Convert to fraction form
    1,362,040.14/1,878,715.44 = 851,856.78/x
  3. Step 3: Cross multiply
    1,362,040.14x = 1,878,715.44 × 851,856.78
  4. Step 4: Simplify right side
    1,362,040.14x = 1,600,396,485,254.68
  5. Step 5: Solve for x
    x = 1,600,396,485,254.68/1,362,040.14
  6. Step 6: Final answer
    x = 1,174,999.50

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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.