Home / 1,996,592.33-2,993,688.90-780,720.56

Finding the Fourth Proportional to 1,996,592.33, 2,993,688.90 and 780,720.56

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Solution

The fourth proportional to 1,996,592.33, 2,993,688.90 and 780,720.56 is: 1,170,611.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,592.33 : 2,993,688.90 = 780,720.56 : x
  2. Step 2: Convert to fraction form
    1,996,592.33/2,993,688.90 = 780,720.56/x
  3. Step 3: Cross multiply
    1,996,592.33x = 2,993,688.90 × 780,720.56
  4. Step 4: Simplify right side
    1,996,592.33x = 2,337,234,459,505.34
  5. Step 5: Solve for x
    x = 2,337,234,459,505.34/1,996,592.33
  6. Step 6: Final answer
    x = 1,170,611.76

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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.