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Finding the Fourth Proportional to 1,319,026, 1,820,256 and 746,053.84

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Solution

The fourth proportional to 1,319,026, 1,820,256 and 746,053.84 is: 1,029,554.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,026 : 1,820,256 = 746,053.84 : x
  2. Step 2: Convert to fraction form
    1,319,026/1,820,256 = 746,053.84/x
  3. Step 3: Cross multiply
    1,319,026x = 1,820,256 × 746,053.84
  4. Step 4: Simplify right side
    1,319,026x = 1,358,008,978,583.04
  5. Step 5: Solve for x
    x = 1,358,008,978,583.04/1,319,026
  6. Step 6: Final answer
    x = 1,029,554.37

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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.