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Finding the Fourth Proportional to 1,036,991, 1,431,048.12 and 560,063

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Solution

The fourth proportional to 1,036,991, 1,431,048.12 and 560,063 is: 772,887.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,991 : 1,431,048.12 = 560,063 : x
  2. Step 2: Convert to fraction form
    1,036,991/1,431,048.12 = 560,063/x
  3. Step 3: Cross multiply
    1,036,991x = 1,431,048.12 × 560,063
  4. Step 4: Simplify right side
    1,036,991x = 801,477,103,231.56
  5. Step 5: Solve for x
    x = 801,477,103,231.56/1,036,991
  6. Step 6: Final answer
    x = 772,887.23

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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.