Home / 673,216.44-929,120.82-386,735.82

Finding the Fourth Proportional to 673,216.44, 929,120.82 and 386,735.82

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Solution

The fourth proportional to 673,216.44, 929,120.82 and 386,735.82 is: 533,742.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,216.44 : 929,120.82 = 386,735.82 : x
  2. Step 2: Convert to fraction form
    673,216.44/929,120.82 = 386,735.82/x
  3. Step 3: Cross multiply
    673,216.44x = 929,120.82 × 386,735.82
  4. Step 4: Simplify right side
    673,216.44x = 359,324,302,201.77
  5. Step 5: Solve for x
    x = 359,324,302,201.77/673,216.44
  6. Step 6: Final answer
    x = 533,742.61

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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.