Home / 951,614.90-1,313,245.40-521,891.26

Finding the Fourth Proportional to 951,614.90, 1,313,245.40 and 521,891.26

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Solution

The fourth proportional to 951,614.90, 1,313,245.40 and 521,891.26 is: 720,219.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,614.90 : 1,313,245.40 = 521,891.26 : x
  2. Step 2: Convert to fraction form
    951,614.90/1,313,245.40 = 521,891.26/x
  3. Step 3: Cross multiply
    951,614.90x = 1,313,245.40 × 521,891.26
  4. Step 4: Simplify right side
    951,614.90x = 685,371,296,495.20
  5. Step 5: Solve for x
    x = 685,371,296,495.20/951,614.90
  6. Step 6: Final answer
    x = 720,219.17

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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.