Home / 1,111,163.24-1,661,998.26-927,678.80

Finding the Fourth Proportional to 1,111,163.24, 1,661,998.26 and 927,678.80

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Solution

The fourth proportional to 1,111,163.24, 1,661,998.26 and 927,678.80 is: 1,387,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,163.24 : 1,661,998.26 = 927,678.80 : x
  2. Step 2: Convert to fraction form
    1,111,163.24/1,661,998.26 = 927,678.80/x
  3. Step 3: Cross multiply
    1,111,163.24x = 1,661,998.26 × 927,678.80
  4. Step 4: Simplify right side
    1,111,163.24x = 1,541,800,551,438.89
  5. Step 5: Solve for x
    x = 1,541,800,551,438.89/1,111,163.24
  6. Step 6: Final answer
    x = 1,387,555.40

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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.