Home / 1,312,325.43-1,968,301.22-413,650.37

Finding the Fourth Proportional to 1,312,325.43, 1,968,301.22 and 413,650.37

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Solution

The fourth proportional to 1,312,325.43, 1,968,301.22 and 413,650.37 is: 620,416.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,325.43 : 1,968,301.22 = 413,650.37 : x
  2. Step 2: Convert to fraction form
    1,312,325.43/1,968,301.22 = 413,650.37/x
  3. Step 3: Cross multiply
    1,312,325.43x = 1,968,301.22 × 413,650.37
  4. Step 4: Simplify right side
    1,312,325.43x = 814,188,516,014.69
  5. Step 5: Solve for x
    x = 814,188,516,014.69/1,312,325.43
  6. Step 6: Final answer
    x = 620,416.63

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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.