Home / 805,604.81-1,111,763.16-443,056.73

Finding the Fourth Proportional to 805,604.81, 1,111,763.16 and 443,056.73

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Solution

The fourth proportional to 805,604.81, 1,111,763.16 and 443,056.73 is: 611,433.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,604.81 : 1,111,763.16 = 443,056.73 : x
  2. Step 2: Convert to fraction form
    805,604.81/1,111,763.16 = 443,056.73/x
  3. Step 3: Cross multiply
    805,604.81x = 1,111,763.16 × 443,056.73
  4. Step 4: Simplify right side
    805,604.81x = 492,574,144,645.25
  5. Step 5: Solve for x
    x = 492,574,144,645.25/805,604.81
  6. Step 6: Final answer
    x = 611,433.97

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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.