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Finding the Fourth Proportional to 1,346,760, 1,858,567.68 and 743,186.88

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Solution

The fourth proportional to 1,346,760, 1,858,567.68 and 743,186.88 is: 1,025,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,760 : 1,858,567.68 = 743,186.88 : x
  2. Step 2: Convert to fraction form
    1,346,760/1,858,567.68 = 743,186.88/x
  3. Step 3: Cross multiply
    1,346,760x = 1,858,567.68 × 743,186.88
  4. Step 4: Simplify right side
    1,346,760x = 1,381,263,115,368.04
  5. Step 5: Solve for x
    x = 1,381,263,115,368.04/1,346,760
  6. Step 6: Final answer
    x = 1,025,619.35

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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.