Home / 886,949.43-1,223,989.83-479,051.12

Finding the Fourth Proportional to 886,949.43, 1,223,989.83 and 479,051.12

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Solution

The fourth proportional to 886,949.43, 1,223,989.83 and 479,051.12 is: 661,090.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,949.43 : 1,223,989.83 = 479,051.12 : x
  2. Step 2: Convert to fraction form
    886,949.43/1,223,989.83 = 479,051.12/x
  3. Step 3: Cross multiply
    886,949.43x = 1,223,989.83 × 479,051.12
  4. Step 4: Simplify right side
    886,949.43x = 586,353,692,810.16
  5. Step 5: Solve for x
    x = 586,353,692,810.16/886,949.43
  6. Step 6: Final answer
    x = 661,090.33

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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.