Home / 1,218,448.14-1,827,952.54-408,939.96

Finding the Fourth Proportional to 1,218,448.14, 1,827,952.54 and 408,939.96

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Solution

The fourth proportional to 1,218,448.14, 1,827,952.54 and 408,939.96 is: 613,504.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,448.14 : 1,827,952.54 = 408,939.96 : x
  2. Step 2: Convert to fraction form
    1,218,448.14/1,827,952.54 = 408,939.96/x
  3. Step 3: Cross multiply
    1,218,448.14x = 1,827,952.54 × 408,939.96
  4. Step 4: Simplify right side
    1,218,448.14x = 747,522,838,589.50
  5. Step 5: Solve for x
    x = 747,522,838,589.50/1,218,448.14
  6. Step 6: Final answer
    x = 613,504.03

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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.