Home / 805,713.66-1,111,862.34-443,137.32

Finding the Fourth Proportional to 805,713.66, 1,111,862.34 and 443,137.32

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Solution

The fourth proportional to 805,713.66, 1,111,862.34 and 443,137.32 is: 611,517.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,713.66 : 1,111,862.34 = 443,137.32 : x
  2. Step 2: Convert to fraction form
    805,713.66/1,111,862.34 = 443,137.32/x
  3. Step 3: Cross multiply
    805,713.66x = 1,111,862.34 × 443,137.32
  4. Step 4: Simplify right side
    805,713.66x = 492,707,697,556.53
  5. Step 5: Solve for x
    x = 492,707,697,556.53/805,713.66
  6. Step 6: Final answer
    x = 611,517.12

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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.