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Finding the Fourth Proportional to 1,382,506, 1,907,858.28 and 746,602

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Solution

The fourth proportional to 1,382,506, 1,907,858.28 and 746,602 is: 1,030,310.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,506 : 1,907,858.28 = 746,602 : x
  2. Step 2: Convert to fraction form
    1,382,506/1,907,858.28 = 746,602/x
  3. Step 3: Cross multiply
    1,382,506x = 1,907,858.28 × 746,602
  4. Step 4: Simplify right side
    1,382,506x = 1,424,410,807,564.56
  5. Step 5: Solve for x
    x = 1,424,410,807,564.56/1,382,506
  6. Step 6: Final answer
    x = 1,030,310.76

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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.