Home / 516,299.44-711,918.85-352,982.56

Finding the Fourth Proportional to 516,299.44, 711,918.85 and 352,982.56

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Solution

The fourth proportional to 516,299.44, 711,918.85 and 352,982.56 is: 486,723.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,299.44 : 711,918.85 = 352,982.56 : x
  2. Step 2: Convert to fraction form
    516,299.44/711,918.85 = 352,982.56/x
  3. Step 3: Cross multiply
    516,299.44x = 711,918.85 × 352,982.56
  4. Step 4: Simplify right side
    516,299.44x = 251,294,936,526.93
  5. Step 5: Solve for x
    x = 251,294,936,526.93/516,299.44
  6. Step 6: Final answer
    x = 486,723.24

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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.