Home / 756,896.52-1,135,344.69-519,519.54

Finding the Fourth Proportional to 756,896.52, 1,135,344.69 and 519,519.54

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Solution

The fourth proportional to 756,896.52, 1,135,344.69 and 519,519.54 is: 779,279.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,896.52 : 1,135,344.69 = 519,519.54 : x
  2. Step 2: Convert to fraction form
    756,896.52/1,135,344.69 = 519,519.54/x
  3. Step 3: Cross multiply
    756,896.52x = 1,135,344.69 × 519,519.54
  4. Step 4: Simplify right side
    756,896.52x = 589,833,751,090.24
  5. Step 5: Solve for x
    x = 589,833,751,090.24/756,896.52
  6. Step 6: Final answer
    x = 779,279.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.