Home / 544,311.40-816,478.34-198,083.05

Finding the Fourth Proportional to 544,311.40, 816,478.34 and 198,083.05

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Solution

The fourth proportional to 544,311.40, 816,478.34 and 198,083.05 is: 297,128.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,311.40 : 816,478.34 = 198,083.05 : x
  2. Step 2: Convert to fraction form
    544,311.40/816,478.34 = 198,083.05/x
  3. Step 3: Cross multiply
    544,311.40x = 816,478.34 × 198,083.05
  4. Step 4: Simplify right side
    544,311.40x = 161,730,519,846.14
  5. Step 5: Solve for x
    x = 161,730,519,846.14/544,311.40
  6. Step 6: Final answer
    x = 297,128.67

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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.