Home / 734,902.70-1,100,429.48-481,385.66

Finding the Fourth Proportional to 734,902.70, 1,100,429.48 and 481,385.66

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Solution

The fourth proportional to 734,902.70, 1,100,429.48 and 481,385.66 is: 720,817.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,902.70 : 1,100,429.48 = 481,385.66 : x
  2. Step 2: Convert to fraction form
    734,902.70/1,100,429.48 = 481,385.66/x
  3. Step 3: Cross multiply
    734,902.70x = 1,100,429.48 × 481,385.66
  4. Step 4: Simplify right side
    734,902.70x = 529,730,967,214.57
  5. Step 5: Solve for x
    x = 529,730,967,214.57/734,902.70
  6. Step 6: Final answer
    x = 720,817.83

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1.5x scale

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.