Home / 1,405,122.80-1,938,593.52-914,868.44

Finding the Fourth Proportional to 1,405,122.80, 1,938,593.52 and 914,868.44

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Solution

The fourth proportional to 1,405,122.80, 1,938,593.52 and 914,868.44 is: 1,262,208.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,122.80 : 1,938,593.52 = 914,868.44 : x
  2. Step 2: Convert to fraction form
    1,405,122.80/1,938,593.52 = 914,868.44/x
  3. Step 3: Cross multiply
    1,405,122.80x = 1,938,593.52 × 914,868.44
  4. Step 4: Simplify right side
    1,405,122.80x = 1,773,558,029,436.51
  5. Step 5: Solve for x
    x = 1,773,558,029,436.51/1,405,122.80
  6. Step 6: Final answer
    x = 1,262,208.56

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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.