Home / 805,808.56-1,111,992.60-443,232.40

Finding the Fourth Proportional to 805,808.56, 1,111,992.60 and 443,232.40

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Solution

The fourth proportional to 805,808.56, 1,111,992.60 and 443,232.40 is: 611,647.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,808.56 : 1,111,992.60 = 443,232.40 : x
  2. Step 2: Convert to fraction form
    805,808.56/1,111,992.60 = 443,232.40/x
  3. Step 3: Cross multiply
    805,808.56x = 1,111,992.60 × 443,232.40
  4. Step 4: Simplify right side
    805,808.56x = 492,871,148,880.24
  5. Step 5: Solve for x
    x = 492,871,148,880.24/805,808.56
  6. Step 6: Final answer
    x = 611,647.94

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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.