Home / 1,192,803.26-1,645,945.62-709,275

Finding the Fourth Proportional to 1,192,803.26, 1,645,945.62 and 709,275

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Solution

The fourth proportional to 1,192,803.26, 1,645,945.62 and 709,275 is: 978,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,803.26 : 1,645,945.62 = 709,275 : x
  2. Step 2: Convert to fraction form
    1,192,803.26/1,645,945.62 = 709,275/x
  3. Step 3: Cross multiply
    1,192,803.26x = 1,645,945.62 × 709,275
  4. Step 4: Simplify right side
    1,192,803.26x = 1,167,428,079,625.50
  5. Step 5: Solve for x
    x = 1,167,428,079,625.50/1,192,803.26
  6. Step 6: Final answer
    x = 978,726.43

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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.