Home / 805,761.04-1,111,971.26-443,194.41

Finding the Fourth Proportional to 805,761.04, 1,111,971.26 and 443,194.41

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Solution

The fourth proportional to 805,761.04, 1,111,971.26 and 443,194.41 is: 611,619.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,761.04 : 1,111,971.26 = 443,194.41 : x
  2. Step 2: Convert to fraction form
    805,761.04/1,111,971.26 = 443,194.41/x
  3. Step 3: Cross multiply
    805,761.04x = 1,111,971.26 × 443,194.41
  4. Step 4: Simplify right side
    805,761.04x = 492,819,443,450.75
  5. Step 5: Solve for x
    x = 492,819,443,450.75/805,761.04
  6. Step 6: Final answer
    x = 611,619.85

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1.5x scale

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.