Home / 805,953.60-1,112,172.04-443,318.92

Finding the Fourth Proportional to 805,953.60, 1,112,172.04 and 443,318.92

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Solution

The fourth proportional to 805,953.60, 1,112,172.04 and 443,318.92 is: 611,755.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,953.60 : 1,112,172.04 = 443,318.92 : x
  2. Step 2: Convert to fraction form
    805,953.60/1,112,172.04 = 443,318.92/x
  3. Step 3: Cross multiply
    805,953.60x = 1,112,172.04 × 443,318.92
  4. Step 4: Simplify right side
    805,953.60x = 493,046,907,627.00
  5. Step 5: Solve for x
    x = 493,046,907,627.00/805,953.60
  6. Step 6: Final answer
    x = 611,755.95

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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.