Home / 1,183,817.81-1,775,743.11-385,103.54

Finding the Fourth Proportional to 1,183,817.81, 1,775,743.11 and 385,103.54

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Solution

The fourth proportional to 1,183,817.81, 1,775,743.11 and 385,103.54 is: 577,660.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,817.81 : 1,775,743.11 = 385,103.54 : x
  2. Step 2: Convert to fraction form
    1,183,817.81/1,775,743.11 = 385,103.54/x
  3. Step 3: Cross multiply
    1,183,817.81x = 1,775,743.11 × 385,103.54
  4. Step 4: Simplify right side
    1,183,817.81x = 683,844,957,791.61
  5. Step 5: Solve for x
    x = 683,844,957,791.61/1,183,817.81
  6. Step 6: Final answer
    x = 577,660.64

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1.5x scale

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.