Home / 1,022,733.39-1,534,321.53-391,647.21

Finding the Fourth Proportional to 1,022,733.39, 1,534,321.53 and 391,647.21

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Solution

The fourth proportional to 1,022,733.39, 1,534,321.53 and 391,647.21 is: 587,555.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,733.39 : 1,534,321.53 = 391,647.21 : x
  2. Step 2: Convert to fraction form
    1,022,733.39/1,534,321.53 = 391,647.21/x
  3. Step 3: Cross multiply
    1,022,733.39x = 1,534,321.53 × 391,647.21
  4. Step 4: Simplify right side
    1,022,733.39x = 600,912,746,467.43
  5. Step 5: Solve for x
    x = 600,912,746,467.43/1,022,733.39
  6. Step 6: Final answer
    x = 587,555.62

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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.