Home / 1,282,040.70-1,923,233.85-440,850.30

Finding the Fourth Proportional to 1,282,040.70, 1,923,233.85 and 440,850.30

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Solution

The fourth proportional to 1,282,040.70, 1,923,233.85 and 440,850.30 is: 661,334.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,040.70 : 1,923,233.85 = 440,850.30 : x
  2. Step 2: Convert to fraction form
    1,282,040.70/1,923,233.85 = 440,850.30/x
  3. Step 3: Cross multiply
    1,282,040.70x = 1,923,233.85 × 440,850.30
  4. Step 4: Simplify right side
    1,282,040.70x = 847,858,219,742.66
  5. Step 5: Solve for x
    x = 847,858,219,742.66/1,282,040.70
  6. Step 6: Final answer
    x = 661,334.87

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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.