Home / 807,684.36-1,114,611.72-445,121.16

Finding the Fourth Proportional to 807,684.36, 1,114,611.72 and 445,121.16

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Solution

The fourth proportional to 807,684.36, 1,114,611.72 and 445,121.16 is: 614,271.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,684.36 : 1,114,611.72 = 445,121.16 : x
  2. Step 2: Convert to fraction form
    807,684.36/1,114,611.72 = 445,121.16/x
  3. Step 3: Cross multiply
    807,684.36x = 1,114,611.72 × 445,121.16
  4. Step 4: Simplify right side
    807,684.36x = 496,137,261,756.00
  5. Step 5: Solve for x
    x = 496,137,261,756.00/807,684.36
  6. Step 6: Final answer
    x = 614,271.23

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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.