Home / 1,126,960.56-1,691,942.40-653,985.36

Finding the Fourth Proportional to 1,126,960.56, 1,691,942.40 and 653,985.36

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Solution

The fourth proportional to 1,126,960.56, 1,691,942.40 and 653,985.36 is: 981,849.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,960.56 : 1,691,942.40 = 653,985.36 : x
  2. Step 2: Convert to fraction form
    1,126,960.56/1,691,942.40 = 653,985.36/x
  3. Step 3: Cross multiply
    1,126,960.56x = 1,691,942.40 × 653,985.36
  4. Step 4: Simplify right side
    1,126,960.56x = 1,106,505,559,563.26
  5. Step 5: Solve for x
    x = 1,106,505,559,563.26/1,126,960.56
  6. Step 6: Final answer
    x = 981,849.41

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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.