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Finding the Fourth Proportional to 1,012,059, 1,395,737.44 and 839,704.10

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Solution

The fourth proportional to 1,012,059, 1,395,737.44 and 839,704.10 is: 1,158,041.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,059 : 1,395,737.44 = 839,704.10 : x
  2. Step 2: Convert to fraction form
    1,012,059/1,395,737.44 = 839,704.10/x
  3. Step 3: Cross multiply
    1,012,059x = 1,395,737.44 × 839,704.10
  4. Step 4: Simplify right side
    1,012,059x = 1,172,006,441,813.56
  5. Step 5: Solve for x
    x = 1,172,006,441,813.56/1,012,059
  6. Step 6: Final answer
    x = 1,158,041.62

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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.