Home / 756,354.42-1,043,769.31-412,190.48

Finding the Fourth Proportional to 756,354.42, 1,043,769.31 and 412,190.48

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Solution

The fourth proportional to 756,354.42, 1,043,769.31 and 412,190.48 is: 568,822.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,354.42 : 1,043,769.31 = 412,190.48 : x
  2. Step 2: Convert to fraction form
    756,354.42/1,043,769.31 = 412,190.48/x
  3. Step 3: Cross multiply
    756,354.42x = 1,043,769.31 × 412,190.48
  4. Step 4: Simplify right side
    756,354.42x = 430,231,774,477.12
  5. Step 5: Solve for x
    x = 430,231,774,477.12/756,354.42
  6. Step 6: Final answer
    x = 568,822.98

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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.