Home / 519,944.20-779,916.30-295,217.80

Finding the Fourth Proportional to 519,944.20, 779,916.30 and 295,217.80

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Solution

The fourth proportional to 519,944.20, 779,916.30 and 295,217.80 is: 442,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,944.20 : 779,916.30 = 295,217.80 : x
  2. Step 2: Convert to fraction form
    519,944.20/779,916.30 = 295,217.80/x
  3. Step 3: Cross multiply
    519,944.20x = 779,916.30 × 295,217.80
  4. Step 4: Simplify right side
    519,944.20x = 230,245,174,270.14
  5. Step 5: Solve for x
    x = 230,245,174,270.14/519,944.20
  6. Step 6: Final answer
    x = 442,826.70

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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.