Home / 1,541,189.74-2,311,551.32-419,346.22

Finding the Fourth Proportional to 1,541,189.74, 2,311,551.32 and 419,346.22

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Solution

The fourth proportional to 1,541,189.74, 2,311,551.32 and 419,346.22 is: 628,955.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,189.74 : 2,311,551.32 = 419,346.22 : x
  2. Step 2: Convert to fraction form
    1,541,189.74/2,311,551.32 = 419,346.22/x
  3. Step 3: Cross multiply
    1,541,189.74x = 2,311,551.32 × 419,346.22
  4. Step 4: Simplify right side
    1,541,189.74x = 969,340,308,378.01
  5. Step 5: Solve for x
    x = 969,340,308,378.01/1,541,189.74
  6. Step 6: Final answer
    x = 628,955.85

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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.