Home / 1,081,520.28-1,622,163.56-361,780.34

Finding the Fourth Proportional to 1,081,520.28, 1,622,163.56 and 361,780.34

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Solution

The fourth proportional to 1,081,520.28, 1,622,163.56 and 361,780.34 is: 542,631.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,520.28 : 1,622,163.56 = 361,780.34 : x
  2. Step 2: Convert to fraction form
    1,081,520.28/1,622,163.56 = 361,780.34/x
  3. Step 3: Cross multiply
    1,081,520.28x = 1,622,163.56 × 361,780.34
  4. Step 4: Simplify right side
    1,081,520.28x = 586,866,874,352.69
  5. Step 5: Solve for x
    x = 586,866,874,352.69/1,081,520.28
  6. Step 6: Final answer
    x = 542,631.41

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.