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Finding the Fourth Proportional to 1,783,073, 2,460,683.94 and 978,257

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Solution

The fourth proportional to 1,783,073, 2,460,683.94 and 978,257 is: 1,350,018.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,073 : 2,460,683.94 = 978,257 : x
  2. Step 2: Convert to fraction form
    1,783,073/2,460,683.94 = 978,257/x
  3. Step 3: Cross multiply
    1,783,073x = 2,460,683.94 × 978,257
  4. Step 4: Simplify right side
    1,783,073x = 2,407,181,289,092.58
  5. Step 5: Solve for x
    x = 2,407,181,289,092.58/1,783,073
  6. Step 6: Final answer
    x = 1,350,018.36

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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.