Home / 1,229,363.51-1,843,646.19-408,481.67

Finding the Fourth Proportional to 1,229,363.51, 1,843,646.19 and 408,481.67

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Solution

The fourth proportional to 1,229,363.51, 1,843,646.19 and 408,481.67 is: 612,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,363.51 : 1,843,646.19 = 408,481.67 : x
  2. Step 2: Convert to fraction form
    1,229,363.51/1,843,646.19 = 408,481.67/x
  3. Step 3: Cross multiply
    1,229,363.51x = 1,843,646.19 × 408,481.67
  4. Step 4: Simplify right side
    1,229,363.51x = 753,095,669,971.22
  5. Step 5: Solve for x
    x = 753,095,669,971.22/1,229,363.51
  6. Step 6: Final answer
    x = 612,589.90

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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.