Home / 805,943.03-1,112,166.32-443,343.90

Finding the Fourth Proportional to 805,943.03, 1,112,166.32 and 443,343.90

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Solution

The fourth proportional to 805,943.03, 1,112,166.32 and 443,343.90 is: 611,795.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,943.03 : 1,112,166.32 = 443,343.90 : x
  2. Step 2: Convert to fraction form
    805,943.03/1,112,166.32 = 443,343.90/x
  3. Step 3: Cross multiply
    805,943.03x = 1,112,166.32 × 443,343.90
  4. Step 4: Simplify right side
    805,943.03x = 493,072,151,540.73
  5. Step 5: Solve for x
    x = 493,072,151,540.73/805,943.03
  6. Step 6: Final answer
    x = 611,795.30

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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.