Home / 886,421.70-1,328,077.35-727,791.30

Finding the Fourth Proportional to 886,421.70, 1,328,077.35 and 727,791.30

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Solution

The fourth proportional to 886,421.70, 1,328,077.35 and 727,791.30 is: 1,090,410.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,421.70 : 1,328,077.35 = 727,791.30 : x
  2. Step 2: Convert to fraction form
    886,421.70/1,328,077.35 = 727,791.30/x
  3. Step 3: Cross multiply
    886,421.70x = 1,328,077.35 × 727,791.30
  4. Step 4: Simplify right side
    886,421.70x = 966,563,141,057.06
  5. Step 5: Solve for x
    x = 966,563,141,057.06/886,421.70
  6. Step 6: Final answer
    x = 1,090,410.06

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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.