Home / 756,359.34-1,043,776.17-412,195.38

Finding the Fourth Proportional to 756,359.34, 1,043,776.17 and 412,195.38

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Solution

The fourth proportional to 756,359.34, 1,043,776.17 and 412,195.38 is: 568,829.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,359.34 : 1,043,776.17 = 412,195.38 : x
  2. Step 2: Convert to fraction form
    756,359.34/1,043,776.17 = 412,195.38/x
  3. Step 3: Cross multiply
    756,359.34x = 1,043,776.17 × 412,195.38
  4. Step 4: Simplify right side
    756,359.34x = 430,239,715,028.10
  5. Step 5: Solve for x
    x = 430,239,715,028.10/756,359.34
  6. Step 6: Final answer
    x = 568,829.78

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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.