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Finding the Fourth Proportional to 1,879,662.76, 2,593,939.60 and 1,020,223.02

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Solution

The fourth proportional to 1,879,662.76, 2,593,939.60 and 1,020,223.02 is: 1,407,910.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,662.76 : 2,593,939.60 = 1,020,223.02 : x
  2. Step 2: Convert to fraction form
    1,879,662.76/2,593,939.60 = 1,020,223.02/x
  3. Step 3: Cross multiply
    1,879,662.76x = 2,593,939.60 × 1,020,223.02
  4. Step 4: Simplify right side
    1,879,662.76x = 2,646,396,892,409.59
  5. Step 5: Solve for x
    x = 2,646,396,892,409.59/1,879,662.76
  6. Step 6: Final answer
    x = 1,407,910.48

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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.