Home / 682,958.40-1,024,437.60-328,664.40

Finding the Fourth Proportional to 682,958.40, 1,024,437.60 and 328,664.40

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Solution

The fourth proportional to 682,958.40, 1,024,437.60 and 328,664.40 is: 492,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,958.40 : 1,024,437.60 = 328,664.40 : x
  2. Step 2: Convert to fraction form
    682,958.40/1,024,437.60 = 328,664.40/x
  3. Step 3: Cross multiply
    682,958.40x = 1,024,437.60 × 328,664.40
  4. Step 4: Simplify right side
    682,958.40x = 336,696,169,141.44
  5. Step 5: Solve for x
    x = 336,696,169,141.44/682,958.40
  6. Step 6: Final answer
    x = 492,996.60

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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.