Home / 951,531.88-1,313,151.84-521,827.42

Finding the Fourth Proportional to 951,531.88, 1,313,151.84 and 521,827.42

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Solution

The fourth proportional to 951,531.88, 1,313,151.84 and 521,827.42 is: 720,142.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,531.88 : 1,313,151.84 = 521,827.42 : x
  2. Step 2: Convert to fraction form
    951,531.88/1,313,151.84 = 521,827.42/x
  3. Step 3: Cross multiply
    951,531.88x = 1,313,151.84 × 521,827.42
  4. Step 4: Simplify right side
    951,531.88x = 685,238,636,735.45
  5. Step 5: Solve for x
    x = 685,238,636,735.45/951,531.88
  6. Step 6: Final answer
    x = 720,142.59

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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.