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Finding the Fourth Proportional to 1,879,266.93, 2,593,388.26 and 1,019,827.18

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Solution

The fourth proportional to 1,879,266.93, 2,593,388.26 and 1,019,827.18 is: 1,407,361.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,266.93 : 2,593,388.26 = 1,019,827.18 : x
  2. Step 2: Convert to fraction form
    1,879,266.93/2,593,388.26 = 1,019,827.18/x
  3. Step 3: Cross multiply
    1,879,266.93x = 2,593,388.26 × 1,019,827.18
  4. Step 4: Simplify right side
    1,879,266.93x = 2,644,807,850,519.59
  5. Step 5: Solve for x
    x = 2,644,807,850,519.59/1,879,266.93
  6. Step 6: Final answer
    x = 1,407,361.46

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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.