Home / 374,219.46-516,969.27-323,830.98

Finding the Fourth Proportional to 374,219.46, 516,969.27 and 323,830.98

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Solution

The fourth proportional to 374,219.46, 516,969.27 and 323,830.98 is: 447,359.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,219.46 : 516,969.27 = 323,830.98 : x
  2. Step 2: Convert to fraction form
    374,219.46/516,969.27 = 323,830.98/x
  3. Step 3: Cross multiply
    374,219.46x = 516,969.27 × 323,830.98
  4. Step 4: Simplify right side
    374,219.46x = 167,410,665,333.99
  5. Step 5: Solve for x
    x = 167,410,665,333.99/374,219.46
  6. Step 6: Final answer
    x = 447,359.59

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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.