Home / 691,115.98-1,036,603.93-185,611.29

Finding the Fourth Proportional to 691,115.98, 1,036,603.93 and 185,611.29

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Solution

The fourth proportional to 691,115.98, 1,036,603.93 and 185,611.29 is: 278,398.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,115.98 : 1,036,603.93 = 185,611.29 : x
  2. Step 2: Convert to fraction form
    691,115.98/1,036,603.93 = 185,611.29/x
  3. Step 3: Cross multiply
    691,115.98x = 1,036,603.93 × 185,611.29
  4. Step 4: Simplify right side
    691,115.98x = 192,405,392,666.37
  5. Step 5: Solve for x
    x = 192,405,392,666.37/691,115.98
  6. Step 6: Final answer
    x = 278,398.12

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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.