Home / 805,954.23-1,112,172.91-443,319.55

Finding the Fourth Proportional to 805,954.23, 1,112,172.91 and 443,319.55

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Solution

The fourth proportional to 805,954.23, 1,112,172.91 and 443,319.55 is: 611,756.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,954.23 : 1,112,172.91 = 443,319.55 : x
  2. Step 2: Convert to fraction form
    805,954.23/1,112,172.91 = 443,319.55/x
  3. Step 3: Cross multiply
    805,954.23x = 1,112,172.91 × 443,319.55
  4. Step 4: Simplify right side
    805,954.23x = 493,047,987,314.23
  5. Step 5: Solve for x
    x = 493,047,987,314.23/805,954.23
  6. Step 6: Final answer
    x = 611,756.81

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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.