Home / 1,356,781.40-2,035,172.10-851,912.45

Finding the Fourth Proportional to 1,356,781.40, 2,035,172.10 and 851,912.45

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Solution

The fourth proportional to 1,356,781.40, 2,035,172.10 and 851,912.45 is: 1,277,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,781.40 : 2,035,172.10 = 851,912.45 : x
  2. Step 2: Convert to fraction form
    1,356,781.40/2,035,172.10 = 851,912.45/x
  3. Step 3: Cross multiply
    1,356,781.40x = 2,035,172.10 × 851,912.45
  4. Step 4: Simplify right side
    1,356,781.40x = 1,733,788,449,882.65
  5. Step 5: Solve for x
    x = 1,733,788,449,882.65/1,356,781.40
  6. Step 6: Final answer
    x = 1,277,868.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.