Home / 756,786.06-1,044,372.91-412,619.18

Finding the Fourth Proportional to 756,786.06, 1,044,372.91 and 412,619.18

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Solution

The fourth proportional to 756,786.06, 1,044,372.91 and 412,619.18 is: 569,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,786.06 : 1,044,372.91 = 412,619.18 : x
  2. Step 2: Convert to fraction form
    756,786.06/1,044,372.91 = 412,619.18/x
  3. Step 3: Cross multiply
    756,786.06x = 1,044,372.91 × 412,619.18
  4. Step 4: Simplify right side
    756,786.06x = 430,928,287,485.00
  5. Step 5: Solve for x
    x = 430,928,287,485.00/756,786.06
  6. Step 6: Final answer
    x = 569,418.90

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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.