Home / 681,640.20-1,022,460.30-176,200.20

Finding the Fourth Proportional to 681,640.20, 1,022,460.30 and 176,200.20

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Solution

The fourth proportional to 681,640.20, 1,022,460.30 and 176,200.20 is: 264,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,640.20 : 1,022,460.30 = 176,200.20 : x
  2. Step 2: Convert to fraction form
    681,640.20/1,022,460.30 = 176,200.20/x
  3. Step 3: Cross multiply
    681,640.20x = 1,022,460.30 × 176,200.20
  4. Step 4: Simplify right side
    681,640.20x = 180,157,709,352.06
  5. Step 5: Solve for x
    x = 180,157,709,352.06/681,640.20
  6. Step 6: Final answer
    x = 264,300.30

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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.