Home / 1,398,033.68-1,929,341.94-786,183.37

Finding the Fourth Proportional to 1,398,033.68, 1,929,341.94 and 786,183.37

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Solution

The fourth proportional to 1,398,033.68, 1,929,341.94 and 786,183.37 is: 1,084,964.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,033.68 : 1,929,341.94 = 786,183.37 : x
  2. Step 2: Convert to fraction form
    1,398,033.68/1,929,341.94 = 786,183.37/x
  3. Step 3: Cross multiply
    1,398,033.68x = 1,929,341.94 × 786,183.37
  4. Step 4: Simplify right side
    1,398,033.68x = 1,516,816,540,500.00
  5. Step 5: Solve for x
    x = 1,516,816,540,500.00/1,398,033.68
  6. Step 6: Final answer
    x = 1,084,964.24

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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.