Home / 756,344.32-1,043,755.34-412,180.34

Finding the Fourth Proportional to 756,344.32, 1,043,755.34 and 412,180.34

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Solution

The fourth proportional to 756,344.32, 1,043,755.34 and 412,180.34 is: 568,808.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,344.32 : 1,043,755.34 = 412,180.34 : x
  2. Step 2: Convert to fraction form
    756,344.32/1,043,755.34 = 412,180.34/x
  3. Step 3: Cross multiply
    756,344.32x = 1,043,755.34 × 412,180.34
  4. Step 4: Simplify right side
    756,344.32x = 430,215,430,918.02
  5. Step 5: Solve for x
    x = 430,215,430,918.02/756,344.32
  6. Step 6: Final answer
    x = 568,808.97

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Double scale
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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.