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Finding the Fourth Proportional to 1,198,598, 1,654,070.88 and 654,741.32

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Solution

The fourth proportional to 1,198,598, 1,654,070.88 and 654,741.32 is: 903,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,598 : 1,654,070.88 = 654,741.32 : x
  2. Step 2: Convert to fraction form
    1,198,598/1,654,070.88 = 654,741.32/x
  3. Step 3: Cross multiply
    1,198,598x = 1,654,070.88 × 654,741.32
  4. Step 4: Simplify right side
    1,198,598x = 1,082,988,551,344.76
  5. Step 5: Solve for x
    x = 1,082,988,551,344.76/1,198,598
  6. Step 6: Final answer
    x = 903,546.10

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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.