Home / 823,125.40-1,236,761.70-523,749.40

Finding the Fourth Proportional to 823,125.40, 1,236,761.70 and 523,749.40

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Solution

The fourth proportional to 823,125.40, 1,236,761.70 and 523,749.40 is: 786,943.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,125.40 : 1,236,761.70 = 523,749.40 : x
  2. Step 2: Convert to fraction form
    823,125.40/1,236,761.70 = 523,749.40/x
  3. Step 3: Cross multiply
    823,125.40x = 1,236,761.70 × 523,749.40
  4. Step 4: Simplify right side
    823,125.40x = 647,753,198,317.98
  5. Step 5: Solve for x
    x = 647,753,198,317.98/823,125.40
  6. Step 6: Final answer
    x = 786,943.52

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1.5x scale

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.