Home / 847,111.85-1,270,668.23-531,790.19

Finding the Fourth Proportional to 847,111.85, 1,270,668.23 and 531,790.19

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Solution

The fourth proportional to 847,111.85, 1,270,668.23 and 531,790.19 is: 797,685.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,111.85 : 1,270,668.23 = 531,790.19 : x
  2. Step 2: Convert to fraction form
    847,111.85/1,270,668.23 = 531,790.19/x
  3. Step 3: Cross multiply
    847,111.85x = 1,270,668.23 × 531,790.19
  4. Step 4: Simplify right side
    847,111.85x = 675,728,899,458.66
  5. Step 5: Solve for x
    x = 675,728,899,458.66/847,111.85
  6. Step 6: Final answer
    x = 797,685.57

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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.