Home / 1,458,556.20-2,187,834.30-393,596.55

Finding the Fourth Proportional to 1,458,556.20, 2,187,834.30 and 393,596.55

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Solution

The fourth proportional to 1,458,556.20, 2,187,834.30 and 393,596.55 is: 590,394.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,556.20 : 2,187,834.30 = 393,596.55 : x
  2. Step 2: Convert to fraction form
    1,458,556.20/2,187,834.30 = 393,596.55/x
  3. Step 3: Cross multiply
    1,458,556.20x = 2,187,834.30 × 393,596.55
  4. Step 4: Simplify right side
    1,458,556.20x = 861,124,032,451.67
  5. Step 5: Solve for x
    x = 861,124,032,451.67/1,458,556.20
  6. Step 6: Final answer
    x = 590,394.83

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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.