Home / 805,956.28-1,112,221.98-443,403.64

Finding the Fourth Proportional to 805,956.28, 1,112,221.98 and 443,403.64

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Solution

The fourth proportional to 805,956.28, 1,112,221.98 and 443,403.64 is: 611,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,956.28 : 1,112,221.98 = 443,403.64 : x
  2. Step 2: Convert to fraction form
    805,956.28/1,112,221.98 = 443,403.64/x
  3. Step 3: Cross multiply
    805,956.28x = 1,112,221.98 × 443,403.64
  4. Step 4: Simplify right side
    805,956.28x = 493,163,274,420.01
  5. Step 5: Solve for x
    x = 493,163,274,420.01/805,956.28
  6. Step 6: Final answer
    x = 611,898.30

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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.