Home / 756,352.15-1,043,752.03-412,190.85

Finding the Fourth Proportional to 756,352.15, 1,043,752.03 and 412,190.85

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Solution

The fourth proportional to 756,352.15, 1,043,752.03 and 412,190.85 is: 568,815.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,352.15 : 1,043,752.03 = 412,190.85 : x
  2. Step 2: Convert to fraction form
    756,352.15/1,043,752.03 = 412,190.85/x
  3. Step 3: Cross multiply
    756,352.15x = 1,043,752.03 × 412,190.85
  4. Step 4: Simplify right side
    756,352.15x = 430,225,036,434.93
  5. Step 5: Solve for x
    x = 430,225,036,434.93/756,352.15
  6. Step 6: Final answer
    x = 568,815.78

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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.