Home / 1,131,237.94-1,561,068.21-621,936.34

Finding the Fourth Proportional to 1,131,237.94, 1,561,068.21 and 621,936.34

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Solution

The fourth proportional to 1,131,237.94, 1,561,068.21 and 621,936.34 is: 858,250.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,237.94 : 1,561,068.21 = 621,936.34 : x
  2. Step 2: Convert to fraction form
    1,131,237.94/1,561,068.21 = 621,936.34/x
  3. Step 3: Cross multiply
    1,131,237.94x = 1,561,068.21 × 621,936.34
  4. Step 4: Simplify right side
    1,131,237.94x = 970,885,049,017.75
  5. Step 5: Solve for x
    x = 970,885,049,017.75/1,131,237.94
  6. Step 6: Final answer
    x = 858,250.08

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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.