Home / 1,541,189.36-2,311,550.76-419,345.84

Finding the Fourth Proportional to 1,541,189.36, 2,311,550.76 and 419,345.84

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Solution

The fourth proportional to 1,541,189.36, 2,311,550.76 and 419,345.84 is: 628,955.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,189.36 : 2,311,550.76 = 419,345.84 : x
  2. Step 2: Convert to fraction form
    1,541,189.36/2,311,550.76 = 419,345.84/x
  3. Step 3: Cross multiply
    1,541,189.36x = 2,311,550.76 × 419,345.84
  4. Step 4: Simplify right side
    1,541,189.36x = 969,339,195,154.84
  5. Step 5: Solve for x
    x = 969,339,195,154.84/1,541,189.36
  6. Step 6: Final answer
    x = 628,955.29

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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.