Home / 428,899.91-591,819.14-247,583.03

Finding the Fourth Proportional to 428,899.91, 591,819.14 and 247,583.03

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Solution

The fourth proportional to 428,899.91, 591,819.14 and 247,583.03 is: 341,628.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,899.91 : 591,819.14 = 247,583.03 : x
  2. Step 2: Convert to fraction form
    428,899.91/591,819.14 = 247,583.03/x
  3. Step 3: Cross multiply
    428,899.91x = 591,819.14 × 247,583.03
  4. Step 4: Simplify right side
    428,899.91x = 146,524,373,553.06
  5. Step 5: Solve for x
    x = 146,524,373,553.06/428,899.91
  6. Step 6: Final answer
    x = 341,628.37

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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.