Home / 1,611,000.56-2,223,188.79-885,895.04

Finding the Fourth Proportional to 1,611,000.56, 2,223,188.79 and 885,895.04

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Solution

The fourth proportional to 1,611,000.56, 2,223,188.79 and 885,895.04 is: 1,222,539.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,000.56 : 2,223,188.79 = 885,895.04 : x
  2. Step 2: Convert to fraction form
    1,611,000.56/2,223,188.79 = 885,895.04/x
  3. Step 3: Cross multiply
    1,611,000.56x = 2,223,188.79 × 885,895.04
  4. Step 4: Simplify right side
    1,611,000.56x = 1,969,511,922,044.60
  5. Step 5: Solve for x
    x = 1,969,511,922,044.60/1,611,000.56
  6. Step 6: Final answer
    x = 1,222,539.56

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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.