Home / 747,583.92-1,120,944.96-511,212.96

Finding the Fourth Proportional to 747,583.92, 1,120,944.96 and 511,212.96

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Solution

The fourth proportional to 747,583.92, 1,120,944.96 and 511,212.96 is: 766,524.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,583.92 : 1,120,944.96 = 511,212.96 : x
  2. Step 2: Convert to fraction form
    747,583.92/1,120,944.96 = 511,212.96/x
  3. Step 3: Cross multiply
    747,583.92x = 1,120,944.96 × 511,212.96
  4. Step 4: Simplify right side
    747,583.92x = 573,041,590,998.68
  5. Step 5: Solve for x
    x = 573,041,590,998.68/747,583.92
  6. Step 6: Final answer
    x = 766,524.77

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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.