Home / 745,993.24-1,029,441.78-406,464.04

Finding the Fourth Proportional to 745,993.24, 1,029,441.78 and 406,464.04

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Solution

The fourth proportional to 745,993.24, 1,029,441.78 and 406,464.04 is: 560,904.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,993.24 : 1,029,441.78 = 406,464.04 : x
  2. Step 2: Convert to fraction form
    745,993.24/1,029,441.78 = 406,464.04/x
  3. Step 3: Cross multiply
    745,993.24x = 1,029,441.78 × 406,464.04
  4. Step 4: Simplify right side
    745,993.24x = 418,431,064,843.59
  5. Step 5: Solve for x
    x = 418,431,064,843.59/745,993.24
  6. Step 6: Final answer
    x = 560,904.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.