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Finding the Fourth Proportional to 1,365,768.03, 1,884,748.86 and 753,919.90

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Solution

The fourth proportional to 1,365,768.03, 1,884,748.86 and 753,919.90 is: 1,040,403.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,768.03 : 1,884,748.86 = 753,919.90 : x
  2. Step 2: Convert to fraction form
    1,365,768.03/1,884,748.86 = 753,919.90/x
  3. Step 3: Cross multiply
    1,365,768.03x = 1,884,748.86 × 753,919.90
  4. Step 4: Simplify right side
    1,365,768.03x = 1,420,949,672,056.31
  5. Step 5: Solve for x
    x = 1,420,949,672,056.31/1,365,768.03
  6. Step 6: Final answer
    x = 1,040,403.38

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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.