Home / 848,890.05-1,171,416.11-486,230.78

Finding the Fourth Proportional to 848,890.05, 1,171,416.11 and 486,230.78

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Solution

The fourth proportional to 848,890.05, 1,171,416.11 and 486,230.78 is: 670,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,890.05 : 1,171,416.11 = 486,230.78 : x
  2. Step 2: Convert to fraction form
    848,890.05/1,171,416.11 = 486,230.78/x
  3. Step 3: Cross multiply
    848,890.05x = 1,171,416.11 × 486,230.78
  4. Step 4: Simplify right side
    848,890.05x = 569,578,568,869.87
  5. Step 5: Solve for x
    x = 569,578,568,869.87/848,890.05
  6. Step 6: Final answer
    x = 670,968.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.