Home / 1,669,874.89-2,304,428.18-905,928.25

Finding the Fourth Proportional to 1,669,874.89, 2,304,428.18 and 905,928.25

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Solution

The fourth proportional to 1,669,874.89, 2,304,428.18 and 905,928.25 is: 1,250,181.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,874.89 : 2,304,428.18 = 905,928.25 : x
  2. Step 2: Convert to fraction form
    1,669,874.89/2,304,428.18 = 905,928.25/x
  3. Step 3: Cross multiply
    1,669,874.89x = 2,304,428.18 × 905,928.25
  4. Step 4: Simplify right side
    1,669,874.89x = 2,087,646,590,622.91
  5. Step 5: Solve for x
    x = 2,087,646,590,622.91/1,669,874.89
  6. Step 6: Final answer
    x = 1,250,181.44

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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.