Home / 809,158.06-1,116,640.49-441,638.58

Finding the Fourth Proportional to 809,158.06, 1,116,640.49 and 441,638.58

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Solution

The fourth proportional to 809,158.06, 1,116,640.49 and 441,638.58 is: 609,462.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,158.06 : 1,116,640.49 = 441,638.58 : x
  2. Step 2: Convert to fraction form
    809,158.06/1,116,640.49 = 441,638.58/x
  3. Step 3: Cross multiply
    809,158.06x = 1,116,640.49 × 441,638.58
  4. Step 4: Simplify right side
    809,158.06x = 493,151,525,665.60
  5. Step 5: Solve for x
    x = 493,151,525,665.60/809,158.06
  6. Step 6: Final answer
    x = 609,462.54

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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.