Home / 753,866.39-1,040,338.99-414,356.51

Finding the Fourth Proportional to 753,866.39, 1,040,338.99 and 414,356.51

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Solution

The fourth proportional to 753,866.39, 1,040,338.99 and 414,356.51 is: 571,813.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,866.39 : 1,040,338.99 = 414,356.51 : x
  2. Step 2: Convert to fraction form
    753,866.39/1,040,338.99 = 414,356.51/x
  3. Step 3: Cross multiply
    753,866.39x = 1,040,338.99 × 414,356.51
  4. Step 4: Simplify right side
    753,866.39x = 431,071,236,232.12
  5. Step 5: Solve for x
    x = 431,071,236,232.12/753,866.39
  6. Step 6: Final answer
    x = 571,813.84

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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.