Home / 1,622,367.72-2,433,365.68-424,405.66

Finding the Fourth Proportional to 1,622,367.72, 2,433,365.68 and 424,405.66

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Solution

The fourth proportional to 1,622,367.72, 2,433,365.68 and 424,405.66 is: 636,559.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,367.72 : 2,433,365.68 = 424,405.66 : x
  2. Step 2: Convert to fraction form
    1,622,367.72/2,433,365.68 = 424,405.66/x
  3. Step 3: Cross multiply
    1,622,367.72x = 2,433,365.68 × 424,405.66
  4. Step 4: Simplify right side
    1,622,367.72x = 1,032,734,167,441.75
  5. Step 5: Solve for x
    x = 1,032,734,167,441.75/1,622,367.72
  6. Step 6: Final answer
    x = 636,559.86

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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.