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Finding the Fourth Proportional to 1,167,526, 1,611,185.88 and 630,982

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Solution

The fourth proportional to 1,167,526, 1,611,185.88 and 630,982 is: 870,755.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,526 : 1,611,185.88 = 630,982 : x
  2. Step 2: Convert to fraction form
    1,167,526/1,611,185.88 = 630,982/x
  3. Step 3: Cross multiply
    1,167,526x = 1,611,185.88 × 630,982
  4. Step 4: Simplify right side
    1,167,526x = 1,016,629,288,934.16
  5. Step 5: Solve for x
    x = 1,016,629,288,934.16/1,167,526
  6. Step 6: Final answer
    x = 870,755.16

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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.