Home / 923,471.40-1,383,651.90-867,484.20

Finding the Fourth Proportional to 923,471.40, 1,383,651.90 and 867,484.20

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Solution

The fourth proportional to 923,471.40, 1,383,651.90 and 867,484.20 is: 1,299,765.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,471.40 : 1,383,651.90 = 867,484.20 : x
  2. Step 2: Convert to fraction form
    923,471.40/1,383,651.90 = 867,484.20/x
  3. Step 3: Cross multiply
    923,471.40x = 1,383,651.90 × 867,484.20
  4. Step 4: Simplify right side
    923,471.40x = 1,200,296,161,549.98
  5. Step 5: Solve for x
    x = 1,200,296,161,549.98/923,471.40
  6. Step 6: Final answer
    x = 1,299,765.39

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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.