Home / 1,153,137.70-1,728,206.03-469,227.37

Finding the Fourth Proportional to 1,153,137.70, 1,728,206.03 and 469,227.37

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Solution

The fourth proportional to 1,153,137.70, 1,728,206.03 and 469,227.37 is: 703,230.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,137.70 : 1,728,206.03 = 469,227.37 : x
  2. Step 2: Convert to fraction form
    1,153,137.70/1,728,206.03 = 469,227.37/x
  3. Step 3: Cross multiply
    1,153,137.70x = 1,728,206.03 × 469,227.37
  4. Step 4: Simplify right side
    1,153,137.70x = 810,921,559,287.87
  5. Step 5: Solve for x
    x = 810,921,559,287.87/1,153,137.70
  6. Step 6: Final answer
    x = 703,230.46

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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.