Home / 805,616.60-1,111,725.46-443,039.34

Finding the Fourth Proportional to 805,616.60, 1,111,725.46 and 443,039.34

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Solution

The fourth proportional to 805,616.60, 1,111,725.46 and 443,039.34 is: 611,380.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,616.60 : 1,111,725.46 = 443,039.34 : x
  2. Step 2: Convert to fraction form
    805,616.60/1,111,725.46 = 443,039.34/x
  3. Step 3: Cross multiply
    805,616.60x = 1,111,725.46 × 443,039.34
  4. Step 4: Simplify right side
    805,616.60x = 492,538,114,059.60
  5. Step 5: Solve for x
    x = 492,538,114,059.60/805,616.60
  6. Step 6: Final answer
    x = 611,380.29

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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.