Home / 756,212.79-1,043,561.39-412,053.31

Finding the Fourth Proportional to 756,212.79, 1,043,561.39 and 412,053.31

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Solution

The fourth proportional to 756,212.79, 1,043,561.39 and 412,053.31 is: 568,626.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,212.79 : 1,043,561.39 = 412,053.31 : x
  2. Step 2: Convert to fraction form
    756,212.79/1,043,561.39 = 412,053.31/x
  3. Step 3: Cross multiply
    756,212.79x = 1,043,561.39 × 412,053.31
  4. Step 4: Simplify right side
    756,212.79x = 430,002,923,358.93
  5. Step 5: Solve for x
    x = 430,002,923,358.93/756,212.79
  6. Step 6: Final answer
    x = 568,626.89

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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.