Home / 919,047.68-1,377,163.20-618,416

Finding the Fourth Proportional to 919,047.68, 1,377,163.20 and 618,416

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Solution

The fourth proportional to 919,047.68, 1,377,163.20 and 618,416 is: 926,676.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,047.68 : 1,377,163.20 = 618,416 : x
  2. Step 2: Convert to fraction form
    919,047.68/1,377,163.20 = 618,416/x
  3. Step 3: Cross multiply
    919,047.68x = 1,377,163.20 × 618,416
  4. Step 4: Simplify right side
    919,047.68x = 851,659,757,491.20
  5. Step 5: Solve for x
    x = 851,659,757,491.20/919,047.68
  6. Step 6: Final answer
    x = 926,676.36

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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.