Home / 1,611,563.60-2,223,914.11-913,972.45

Finding the Fourth Proportional to 1,611,563.60, 2,223,914.11 and 913,972.45

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Solution

The fourth proportional to 1,611,563.60, 2,223,914.11 and 913,972.45 is: 1,261,257.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,563.60 : 2,223,914.11 = 913,972.45 : x
  2. Step 2: Convert to fraction form
    1,611,563.60/2,223,914.11 = 913,972.45/x
  3. Step 3: Cross multiply
    1,611,563.60x = 2,223,914.11 × 913,972.45
  4. Step 4: Simplify right side
    1,611,563.60x = 2,032,596,212,016.84
  5. Step 5: Solve for x
    x = 2,032,596,212,016.84/1,611,563.60
  6. Step 6: Final answer
    x = 1,261,257.21

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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.