Home / 756,190.47-1,043,528.23-412,022.28

Finding the Fourth Proportional to 756,190.47, 1,043,528.23 and 412,022.28

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Solution

The fourth proportional to 756,190.47, 1,043,528.23 and 412,022.28 is: 568,582.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,190.47 : 1,043,528.23 = 412,022.28 : x
  2. Step 2: Convert to fraction form
    756,190.47/1,043,528.23 = 412,022.28/x
  3. Step 3: Cross multiply
    756,190.47x = 1,043,528.23 × 412,022.28
  4. Step 4: Simplify right side
    756,190.47x = 429,956,880,568.96
  5. Step 5: Solve for x
    x = 429,956,880,568.96/756,190.47
  6. Step 6: Final answer
    x = 568,582.78

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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.