Home / 805,606.68-1,111,765.77-443,058.57

Finding the Fourth Proportional to 805,606.68, 1,111,765.77 and 443,058.57

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Solution

The fourth proportional to 805,606.68, 1,111,765.77 and 443,058.57 is: 611,436.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,606.68 : 1,111,765.77 = 443,058.57 : x
  2. Step 2: Convert to fraction form
    805,606.68/1,111,765.77 = 443,058.57/x
  3. Step 3: Cross multiply
    805,606.68x = 1,111,765.77 × 443,058.57
  4. Step 4: Simplify right side
    805,606.68x = 492,577,352,231.15
  5. Step 5: Solve for x
    x = 492,577,352,231.15/805,606.68
  6. Step 6: Final answer
    x = 611,436.53

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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.