Home / 877,233.51-1,313,857.31-686,505.24

Finding the Fourth Proportional to 877,233.51, 1,313,857.31 and 686,505.24

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Solution

The fourth proportional to 877,233.51, 1,313,857.31 and 686,505.24 is: 1,028,198.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,233.51 : 1,313,857.31 = 686,505.24 : x
  2. Step 2: Convert to fraction form
    877,233.51/1,313,857.31 = 686,505.24/x
  3. Step 3: Cross multiply
    877,233.51x = 1,313,857.31 × 686,505.24
  4. Step 4: Simplify right side
    877,233.51x = 901,969,924,494.78
  5. Step 5: Solve for x
    x = 901,969,924,494.78/877,233.51
  6. Step 6: Final answer
    x = 1,028,198.21

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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.