Home / 951,613.98-1,313,240.49-521,865.78

Finding the Fourth Proportional to 951,613.98, 1,313,240.49 and 521,865.78

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Solution

The fourth proportional to 951,613.98, 1,313,240.49 and 521,865.78 is: 720,182.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,613.98 : 1,313,240.49 = 521,865.78 : x
  2. Step 2: Convert to fraction form
    951,613.98/1,313,240.49 = 521,865.78/x
  3. Step 3: Cross multiply
    951,613.98x = 1,313,240.49 × 521,865.78
  4. Step 4: Simplify right side
    951,613.98x = 685,335,272,641.43
  5. Step 5: Solve for x
    x = 685,335,272,641.43/951,613.98
  6. Step 6: Final answer
    x = 720,182.01

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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.