Home / 1,285,611.47-1,774,163.81-704,887.64

Finding the Fourth Proportional to 1,285,611.47, 1,774,163.81 and 704,887.64

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Solution

The fourth proportional to 1,285,611.47, 1,774,163.81 and 704,887.64 is: 972,755.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,611.47 : 1,774,163.81 = 704,887.64 : x
  2. Step 2: Convert to fraction form
    1,285,611.47/1,774,163.81 = 704,887.64/x
  3. Step 3: Cross multiply
    1,285,611.47x = 1,774,163.81 × 704,887.64
  4. Step 4: Simplify right side
    1,285,611.47x = 1,250,586,141,573.67
  5. Step 5: Solve for x
    x = 1,250,586,141,573.67/1,285,611.47
  6. Step 6: Final answer
    x = 972,755.90

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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.