Home / 805,794.55-1,111,973.00-443,218.30

Finding the Fourth Proportional to 805,794.55, 1,111,973.00 and 443,218.30

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Solution

The fourth proportional to 805,794.55, 1,111,973.00 and 443,218.30 is: 611,628.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,794.55 : 1,111,973.00 = 443,218.30 : x
  2. Step 2: Convert to fraction form
    805,794.55/1,111,973.00 = 443,218.30/x
  3. Step 3: Cross multiply
    805,794.55x = 1,111,973.00 × 443,218.30
  4. Step 4: Simplify right side
    805,794.55x = 492,846,777,709.88
  5. Step 5: Solve for x
    x = 492,846,777,709.88/805,794.55
  6. Step 6: Final answer
    x = 611,628.34

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1.5x scale

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.