Home / 453,964.10-680,946.15-230,015.30

Finding the Fourth Proportional to 453,964.10, 680,946.15 and 230,015.30

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Solution

The fourth proportional to 453,964.10, 680,946.15 and 230,015.30 is: 345,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,964.10 : 680,946.15 = 230,015.30 : x
  2. Step 2: Convert to fraction form
    453,964.10/680,946.15 = 230,015.30/x
  3. Step 3: Cross multiply
    453,964.10x = 680,946.15 × 230,015.30
  4. Step 4: Simplify right side
    453,964.10x = 156,628,032,976.10
  5. Step 5: Solve for x
    x = 156,628,032,976.10/453,964.10
  6. Step 6: Final answer
    x = 345,022.95

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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.