Home / 1,189,106.53-1,783,932.26-515,300.94

Finding the Fourth Proportional to 1,189,106.53, 1,783,932.26 and 515,300.94

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Solution

The fourth proportional to 1,189,106.53, 1,783,932.26 and 515,300.94 is: 773,069.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,106.53 : 1,783,932.26 = 515,300.94 : x
  2. Step 2: Convert to fraction form
    1,189,106.53/1,783,932.26 = 515,300.94/x
  3. Step 3: Cross multiply
    1,189,106.53x = 1,783,932.26 × 515,300.94
  4. Step 4: Simplify right side
    1,189,106.53x = 919,261,967,897.82
  5. Step 5: Solve for x
    x = 919,261,967,897.82/1,189,106.53
  6. Step 6: Final answer
    x = 773,069.48

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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.