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Finding the Fourth Proportional to 1,190,797, 1,643,325.78 and 654,253

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Solution

The fourth proportional to 1,190,797, 1,643,325.78 and 654,253 is: 902,883.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,797 : 1,643,325.78 = 654,253 : x
  2. Step 2: Convert to fraction form
    1,190,797/1,643,325.78 = 654,253/x
  3. Step 3: Cross multiply
    1,190,797x = 1,643,325.78 × 654,253
  4. Step 4: Simplify right side
    1,190,797x = 1,075,150,821,542.34
  5. Step 5: Solve for x
    x = 1,075,150,821,542.34/1,190,797
  6. Step 6: Final answer
    x = 902,883.38

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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.