Home / 756,349.40-1,043,731.78-412,177.94

Finding the Fourth Proportional to 756,349.40, 1,043,731.78 and 412,177.94

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Solution

The fourth proportional to 756,349.40, 1,043,731.78 and 412,177.94 is: 568,789.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,349.40 : 1,043,731.78 = 412,177.94 : x
  2. Step 2: Convert to fraction form
    756,349.40/1,043,731.78 = 412,177.94/x
  3. Step 3: Cross multiply
    756,349.40x = 1,043,731.78 × 412,177.94
  4. Step 4: Simplify right side
    756,349.40x = 430,203,215,593.32
  5. Step 5: Solve for x
    x = 430,203,215,593.32/756,349.40
  6. Step 6: Final answer
    x = 568,789.00

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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.