Home / 893,665.05-1,340,076.39-324,644.91

Finding the Fourth Proportional to 893,665.05, 1,340,076.39 and 324,644.91

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Solution

The fourth proportional to 893,665.05, 1,340,076.39 and 324,644.91 is: 486,814.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,665.05 : 1,340,076.39 = 324,644.91 : x
  2. Step 2: Convert to fraction form
    893,665.05/1,340,076.39 = 324,644.91/x
  3. Step 3: Cross multiply
    893,665.05x = 1,340,076.39 × 324,644.91
  4. Step 4: Simplify right side
    893,665.05x = 435,048,977,401.45
  5. Step 5: Solve for x
    x = 435,048,977,401.45/893,665.05
  6. Step 6: Final answer
    x = 486,814.36

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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.