Home / 683,816.60-1,025,724.90-310,568.60

Finding the Fourth Proportional to 683,816.60, 1,025,724.90 and 310,568.60

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Solution

The fourth proportional to 683,816.60, 1,025,724.90 and 310,568.60 is: 465,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,816.60 : 1,025,724.90 = 310,568.60 : x
  2. Step 2: Convert to fraction form
    683,816.60/1,025,724.90 = 310,568.60/x
  3. Step 3: Cross multiply
    683,816.60x = 1,025,724.90 × 310,568.60
  4. Step 4: Simplify right side
    683,816.60x = 318,557,946,178.14
  5. Step 5: Solve for x
    x = 318,557,946,178.14/683,816.60
  6. Step 6: Final answer
    x = 465,852.90

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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.