Home / 1,153,783.62-1,729,586.79-405,421.38

Finding the Fourth Proportional to 1,153,783.62, 1,729,586.79 and 405,421.38

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Solution

The fourth proportional to 1,153,783.62, 1,729,586.79 and 405,421.38 is: 607,749.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,783.62 : 1,729,586.79 = 405,421.38 : x
  2. Step 2: Convert to fraction form
    1,153,783.62/1,729,586.79 = 405,421.38/x
  3. Step 3: Cross multiply
    1,153,783.62x = 1,729,586.79 × 405,421.38
  4. Step 4: Simplify right side
    1,153,783.62x = 701,211,463,231.57
  5. Step 5: Solve for x
    x = 701,211,463,231.57/1,153,783.62
  6. Step 6: Final answer
    x = 607,749.54

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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.