Home / 1,105,126.58-1,525,072.44-621,692.06

Finding the Fourth Proportional to 1,105,126.58, 1,525,072.44 and 621,692.06

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Solution

The fourth proportional to 1,105,126.58, 1,525,072.44 and 621,692.06 is: 857,933.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,126.58 : 1,525,072.44 = 621,692.06 : x
  2. Step 2: Convert to fraction form
    1,105,126.58/1,525,072.44 = 621,692.06/x
  3. Step 3: Cross multiply
    1,105,126.58x = 1,525,072.44 × 621,692.06
  4. Step 4: Simplify right side
    1,105,126.58x = 948,125,426,872.83
  5. Step 5: Solve for x
    x = 948,125,426,872.83/1,105,126.58
  6. Step 6: Final answer
    x = 857,933.78

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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.