Home / 675,949.86-932,919.44-385,656.12

Finding the Fourth Proportional to 675,949.86, 932,919.44 and 385,656.12

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Solution

The fourth proportional to 675,949.86, 932,919.44 and 385,656.12 is: 532,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,949.86 : 932,919.44 = 385,656.12 : x
  2. Step 2: Convert to fraction form
    675,949.86/932,919.44 = 385,656.12/x
  3. Step 3: Cross multiply
    675,949.86x = 932,919.44 × 385,656.12
  4. Step 4: Simplify right side
    675,949.86x = 359,786,091,744.01
  5. Step 5: Solve for x
    x = 359,786,091,744.01/675,949.86
  6. Step 6: Final answer
    x = 532,267.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.