Home / 428,222.12-590,708.46-337,242.92

Finding the Fourth Proportional to 428,222.12, 590,708.46 and 337,242.92

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Solution

The fourth proportional to 428,222.12, 590,708.46 and 337,242.92 is: 465,207.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,222.12 : 590,708.46 = 337,242.92 : x
  2. Step 2: Convert to fraction form
    428,222.12/590,708.46 = 337,242.92/x
  3. Step 3: Cross multiply
    428,222.12x = 590,708.46 × 337,242.92
  4. Step 4: Simplify right side
    428,222.12x = 199,212,245,919.10
  5. Step 5: Solve for x
    x = 199,212,245,919.10/428,222.12
  6. Step 6: Final answer
    x = 465,207.74

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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.