Home / 1,216,765.33-1,825,190.39-418,041.07

Finding the Fourth Proportional to 1,216,765.33, 1,825,190.39 and 418,041.07

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Solution

The fourth proportional to 1,216,765.33, 1,825,190.39 and 418,041.07 is: 627,076.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,765.33 : 1,825,190.39 = 418,041.07 : x
  2. Step 2: Convert to fraction form
    1,216,765.33/1,825,190.39 = 418,041.07/x
  3. Step 3: Cross multiply
    1,216,765.33x = 1,825,190.39 × 418,041.07
  4. Step 4: Simplify right side
    1,216,765.33x = 763,004,543,589.32
  5. Step 5: Solve for x
    x = 763,004,543,589.32/1,216,765.33
  6. Step 6: Final answer
    x = 627,076.17

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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.