Home / 823,086.40-1,236,703.20-523,710.40

Finding the Fourth Proportional to 823,086.40, 1,236,703.20 and 523,710.40

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Solution

The fourth proportional to 823,086.40, 1,236,703.20 and 523,710.40 is: 786,884.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,086.40 : 1,236,703.20 = 523,710.40 : x
  2. Step 2: Convert to fraction form
    823,086.40/1,236,703.20 = 523,710.40/x
  3. Step 3: Cross multiply
    823,086.40x = 1,236,703.20 × 523,710.40
  4. Step 4: Simplify right side
    823,086.40x = 647,674,327,553.28
  5. Step 5: Solve for x
    x = 647,674,327,553.28/823,086.40
  6. Step 6: Final answer
    x = 786,884.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.