Home / 1,526,081.97-2,105,915.78-905,913.65

Finding the Fourth Proportional to 1,526,081.97, 2,105,915.78 and 905,913.65

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Solution

The fourth proportional to 1,526,081.97, 2,105,915.78 and 905,913.65 is: 1,250,114.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,081.97 : 2,105,915.78 = 905,913.65 : x
  2. Step 2: Convert to fraction form
    1,526,081.97/2,105,915.78 = 905,913.65/x
  3. Step 3: Cross multiply
    1,526,081.97x = 2,105,915.78 × 905,913.65
  4. Step 4: Simplify right side
    1,526,081.97x = 1,907,777,850,852.40
  5. Step 5: Solve for x
    x = 1,907,777,850,852.40/1,526,081.97
  6. Step 6: Final answer
    x = 1,250,114.93

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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.