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Finding the Fourth Proportional to 1,190,798, 1,643,327.16 and 654,254

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Solution

The fourth proportional to 1,190,798, 1,643,327.16 and 654,254 is: 902,884.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,798 : 1,643,327.16 = 654,254 : x
  2. Step 2: Convert to fraction form
    1,190,798/1,643,327.16 = 654,254/x
  3. Step 3: Cross multiply
    1,190,798x = 1,643,327.16 × 654,254
  4. Step 4: Simplify right side
    1,190,798x = 1,075,153,367,738.64
  5. Step 5: Solve for x
    x = 1,075,153,367,738.64/1,190,798
  6. Step 6: Final answer
    x = 902,884.76

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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.