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Finding the Fourth Proportional to 1,040,576, 1,435,994.88 and 563,648

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Solution

The fourth proportional to 1,040,576, 1,435,994.88 and 563,648 is: 777,834.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,576 : 1,435,994.88 = 563,648 : x
  2. Step 2: Convert to fraction form
    1,040,576/1,435,994.88 = 563,648/x
  3. Step 3: Cross multiply
    1,040,576x = 1,435,994.88 × 563,648
  4. Step 4: Simplify right side
    1,040,576x = 809,395,642,122.24
  5. Step 5: Solve for x
    x = 809,395,642,122.24/1,040,576
  6. Step 6: Final answer
    x = 777,834.24

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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.