Home / 412,784.83-619,110.75-113,195.84

Finding the Fourth Proportional to 412,784.83, 619,110.75 and 113,195.84

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Solution

The fourth proportional to 412,784.83, 619,110.75 and 113,195.84 is: 169,775.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,784.83 : 619,110.75 = 113,195.84 : x
  2. Step 2: Convert to fraction form
    412,784.83/619,110.75 = 113,195.84/x
  3. Step 3: Cross multiply
    412,784.83x = 619,110.75 × 113,195.84
  4. Step 4: Simplify right side
    412,784.83x = 70,080,761,399.28
  5. Step 5: Solve for x
    x = 70,080,761,399.28/412,784.83
  6. Step 6: Final answer
    x = 169,775.53

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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.