Home / 1,040,622.23-1,559,986.05-400,517.30

Finding the Fourth Proportional to 1,040,622.23, 1,559,986.05 and 400,517.30

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Solution

The fourth proportional to 1,040,622.23, 1,559,986.05 and 400,517.30 is: 600,411.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,622.23 : 1,559,986.05 = 400,517.30 : x
  2. Step 2: Convert to fraction form
    1,040,622.23/1,559,986.05 = 400,517.30/x
  3. Step 3: Cross multiply
    1,040,622.23x = 1,559,986.05 × 400,517.30
  4. Step 4: Simplify right side
    1,040,622.23x = 624,801,400,783.67
  5. Step 5: Solve for x
    x = 624,801,400,783.67/1,040,622.23
  6. Step 6: Final answer
    x = 600,411.35

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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.