Home / 1,131,584.22-1,561,538.66-641,586.69

Finding the Fourth Proportional to 1,131,584.22, 1,561,538.66 and 641,586.69

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Solution

The fourth proportional to 1,131,584.22, 1,561,538.66 and 641,586.69 is: 885,362.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,584.22 : 1,561,538.66 = 641,586.69 : x
  2. Step 2: Convert to fraction form
    1,131,584.22/1,561,538.66 = 641,586.69/x
  3. Step 3: Cross multiply
    1,131,584.22x = 1,561,538.66 × 641,586.69
  4. Step 4: Simplify right side
    1,131,584.22x = 1,001,862,416,968.50
  5. Step 5: Solve for x
    x = 1,001,862,416,968.50/1,131,584.22
  6. Step 6: Final answer
    x = 885,362.66

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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.