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Finding the Fourth Proportional to 1,494,327, 2,062,171.74 and 957,783

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Solution

The fourth proportional to 1,494,327, 2,062,171.74 and 957,783 is: 1,321,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,327 : 2,062,171.74 = 957,783 : x
  2. Step 2: Convert to fraction form
    1,494,327/2,062,171.74 = 957,783/x
  3. Step 3: Cross multiply
    1,494,327x = 2,062,171.74 × 957,783
  4. Step 4: Simplify right side
    1,494,327x = 1,975,113,035,652.42
  5. Step 5: Solve for x
    x = 1,975,113,035,652.42/1,494,327
  6. Step 6: Final answer
    x = 1,321,740.85

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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.