Home / 805,628.57-1,111,745.25-443,052.32

Finding the Fourth Proportional to 805,628.57, 1,111,745.25 and 443,052.32

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Solution

The fourth proportional to 805,628.57, 1,111,745.25 and 443,052.32 is: 611,400.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,628.57 : 1,111,745.25 = 443,052.32 : x
  2. Step 2: Convert to fraction form
    805,628.57/1,111,745.25 = 443,052.32/x
  3. Step 3: Cross multiply
    805,628.57x = 1,111,745.25 × 443,052.32
  4. Step 4: Simplify right side
    805,628.57x = 492,561,312,261.48
  5. Step 5: Solve for x
    x = 492,561,312,261.48/805,628.57
  6. Step 6: Final answer
    x = 611,400.01

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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.