Home / 805,598.06-1,111,753.86-443,049.95

Finding the Fourth Proportional to 805,598.06, 1,111,753.86 and 443,049.95

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Solution

The fourth proportional to 805,598.06, 1,111,753.86 and 443,049.95 is: 611,424.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,598.06 : 1,111,753.86 = 443,049.95 : x
  2. Step 2: Convert to fraction form
    805,598.06/1,111,753.86 = 443,049.95/x
  3. Step 3: Cross multiply
    805,598.06x = 1,111,753.86 × 443,049.95
  4. Step 4: Simplify right side
    805,598.06x = 492,562,493,203.25
  5. Step 5: Solve for x
    x = 492,562,493,203.25/805,598.06
  6. Step 6: Final answer
    x = 611,424.63

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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.