Home / 516,300.44-711,920.23-352,983.56

Finding the Fourth Proportional to 516,300.44, 711,920.23 and 352,983.56

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Solution

The fourth proportional to 516,300.44, 711,920.23 and 352,983.56 is: 486,724.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,300.44 : 711,920.23 = 352,983.56 : x
  2. Step 2: Convert to fraction form
    516,300.44/711,920.23 = 352,983.56/x
  3. Step 3: Cross multiply
    516,300.44x = 711,920.23 × 352,983.56
  4. Step 4: Simplify right side
    516,300.44x = 251,296,137,221.42
  5. Step 5: Solve for x
    x = 251,296,137,221.42/516,300.44
  6. Step 6: Final answer
    x = 486,724.62

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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.