Home / 451,245.06-676,417.11-225,917.58

Finding the Fourth Proportional to 451,245.06, 676,417.11 and 225,917.58

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Solution

The fourth proportional to 451,245.06, 676,417.11 and 225,917.58 is: 338,650.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,245.06 : 676,417.11 = 225,917.58 : x
  2. Step 2: Convert to fraction form
    451,245.06/676,417.11 = 225,917.58/x
  3. Step 3: Cross multiply
    451,245.06x = 676,417.11 × 225,917.58
  4. Step 4: Simplify right side
    451,245.06x = 152,814,516,561.79
  5. Step 5: Solve for x
    x = 152,814,516,561.79/451,245.06
  6. Step 6: Final answer
    x = 338,650.84

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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.