Home / 945,821.80-1,418,734.32-757,480.06

Finding the Fourth Proportional to 945,821.80, 1,418,734.32 and 757,480.06

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Solution

The fourth proportional to 945,821.80, 1,418,734.32 and 757,480.06 is: 1,136,221.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,821.80 : 1,418,734.32 = 757,480.06 : x
  2. Step 2: Convert to fraction form
    945,821.80/1,418,734.32 = 757,480.06/x
  3. Step 3: Cross multiply
    945,821.80x = 1,418,734.32 × 757,480.06
  4. Step 4: Simplify right side
    945,821.80x = 1,074,662,957,837.66
  5. Step 5: Solve for x
    x = 1,074,662,957,837.66/945,821.80
  6. Step 6: Final answer
    x = 1,136,221.39

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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.