Home / 756,410.53-1,043,828.55-412,257.33

Finding the Fourth Proportional to 756,410.53, 1,043,828.55 and 412,257.33

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Solution

The fourth proportional to 756,410.53, 1,043,828.55 and 412,257.33 is: 568,905.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,410.53 : 1,043,828.55 = 412,257.33 : x
  2. Step 2: Convert to fraction form
    756,410.53/1,043,828.55 = 412,257.33/x
  3. Step 3: Cross multiply
    756,410.53x = 1,043,828.55 × 412,257.33
  4. Step 4: Simplify right side
    756,410.53x = 430,325,971,000.77
  5. Step 5: Solve for x
    x = 430,325,971,000.77/756,410.53
  6. Step 6: Final answer
    x = 568,905.32

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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.