Home / 821,610.54-1,133,628.15-477,241.87

Finding the Fourth Proportional to 821,610.54, 1,133,628.15 and 477,241.87

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Solution

The fourth proportional to 821,610.54, 1,133,628.15 and 477,241.87 is: 658,480.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,610.54 : 1,133,628.15 = 477,241.87 : x
  2. Step 2: Convert to fraction form
    821,610.54/1,133,628.15 = 477,241.87/x
  3. Step 3: Cross multiply
    821,610.54x = 1,133,628.15 × 477,241.87
  4. Step 4: Simplify right side
    821,610.54x = 541,014,818,190.64
  5. Step 5: Solve for x
    x = 541,014,818,190.64/821,610.54
  6. Step 6: Final answer
    x = 658,480.86

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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.