Home / 676,385.68-1,014,097.92-339,183.04

Finding the Fourth Proportional to 676,385.68, 1,014,097.92 and 339,183.04

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Solution

The fourth proportional to 676,385.68, 1,014,097.92 and 339,183.04 is: 508,533.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,385.68 : 1,014,097.92 = 339,183.04 : x
  2. Step 2: Convert to fraction form
    676,385.68/1,014,097.92 = 339,183.04/x
  3. Step 3: Cross multiply
    676,385.68x = 1,014,097.92 × 339,183.04
  4. Step 4: Simplify right side
    676,385.68x = 343,964,815,363.28
  5. Step 5: Solve for x
    x = 343,964,815,363.28/676,385.68
  6. Step 6: Final answer
    x = 508,533.56

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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.