Home / 683,296.60-1,024,944.90-388,384.60

Finding the Fourth Proportional to 683,296.60, 1,024,944.90 and 388,384.60

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Solution

The fourth proportional to 683,296.60, 1,024,944.90 and 388,384.60 is: 582,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,296.60 : 1,024,944.90 = 388,384.60 : x
  2. Step 2: Convert to fraction form
    683,296.60/1,024,944.90 = 388,384.60/x
  3. Step 3: Cross multiply
    683,296.60x = 1,024,944.90 × 388,384.60
  4. Step 4: Simplify right side
    683,296.60x = 398,072,815,008.54
  5. Step 5: Solve for x
    x = 398,072,815,008.54/683,296.60
  6. Step 6: Final answer
    x = 582,576.90

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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.