Home / 691,114.34-1,036,601.44-185,609.63

Finding the Fourth Proportional to 691,114.34, 1,036,601.44 and 185,609.63

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Solution

The fourth proportional to 691,114.34, 1,036,601.44 and 185,609.63 is: 278,395.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,114.34 : 1,036,601.44 = 185,609.63 : x
  2. Step 2: Convert to fraction form
    691,114.34/1,036,601.44 = 185,609.63/x
  3. Step 3: Cross multiply
    691,114.34x = 1,036,601.44 × 185,609.63
  4. Step 4: Simplify right side
    691,114.34x = 192,403,209,735.87
  5. Step 5: Solve for x
    x = 192,403,209,735.87/691,114.34
  6. Step 6: Final answer
    x = 278,395.63

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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.