Home / 923,891.83-1,274,944.65-515,981.70

Finding the Fourth Proportional to 923,891.83, 1,274,944.65 and 515,981.70

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Solution

The fourth proportional to 923,891.83, 1,274,944.65 and 515,981.70 is: 712,040.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,891.83 : 1,274,944.65 = 515,981.70 : x
  2. Step 2: Convert to fraction form
    923,891.83/1,274,944.65 = 515,981.70/x
  3. Step 3: Cross multiply
    923,891.83x = 1,274,944.65 × 515,981.70
  4. Step 4: Simplify right side
    923,891.83x = 657,848,107,912.91
  5. Step 5: Solve for x
    x = 657,848,107,912.91/923,891.83
  6. Step 6: Final answer
    x = 712,040.18

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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.