Home / 516,361.94-772,885.32-275,874.88

Finding the Fourth Proportional to 516,361.94, 772,885.32 and 275,874.88

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Solution

The fourth proportional to 516,361.94, 772,885.32 and 275,874.88 is: 412,926.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,361.94 : 772,885.32 = 275,874.88 : x
  2. Step 2: Convert to fraction form
    516,361.94/772,885.32 = 275,874.88/x
  3. Step 3: Cross multiply
    516,361.94x = 772,885.32 × 275,874.88
  4. Step 4: Simplify right side
    516,361.94x = 213,219,644,908.76
  5. Step 5: Solve for x
    x = 213,219,644,908.76/516,361.94
  6. Step 6: Final answer
    x = 412,926.73

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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.