Home / 1,188,933.16-1,783,671.90-515,126.56

Finding the Fourth Proportional to 1,188,933.16, 1,783,671.90 and 515,126.56

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Solution

The fourth proportional to 1,188,933.16, 1,783,671.90 and 515,126.56 is: 772,807.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,933.16 : 1,783,671.90 = 515,126.56 : x
  2. Step 2: Convert to fraction form
    1,188,933.16/1,783,671.90 = 515,126.56/x
  3. Step 3: Cross multiply
    1,188,933.16x = 1,783,671.90 × 515,126.56
  4. Step 4: Simplify right side
    1,188,933.16x = 918,816,770,015.66
  5. Step 5: Solve for x
    x = 918,816,770,015.66/1,188,933.16
  6. Step 6: Final answer
    x = 772,807.76

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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.