Home / 683,455.80-1,025,183.70-633,689.40

Finding the Fourth Proportional to 683,455.80, 1,025,183.70 and 633,689.40

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Solution

The fourth proportional to 683,455.80, 1,025,183.70 and 633,689.40 is: 950,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,455.80 : 1,025,183.70 = 633,689.40 : x
  2. Step 2: Convert to fraction form
    683,455.80/1,025,183.70 = 633,689.40/x
  3. Step 3: Cross multiply
    683,455.80x = 1,025,183.70 × 633,689.40
  4. Step 4: Simplify right side
    683,455.80x = 649,648,043,742.78
  5. Step 5: Solve for x
    x = 649,648,043,742.78/683,455.80
  6. Step 6: Final answer
    x = 950,534.10

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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.