Home / 591,089.97-815,709.38-336,457.56

Finding the Fourth Proportional to 591,089.97, 815,709.38 and 336,457.56

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Solution

The fourth proportional to 591,089.97, 815,709.38 and 336,457.56 is: 464,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,089.97 : 815,709.38 = 336,457.56 : x
  2. Step 2: Convert to fraction form
    591,089.97/815,709.38 = 336,457.56/x
  3. Step 3: Cross multiply
    591,089.97x = 815,709.38 × 336,457.56
  4. Step 4: Simplify right side
    591,089.97x = 274,451,587,663.91
  5. Step 5: Solve for x
    x = 274,451,587,663.91/591,089.97
  6. Step 6: Final answer
    x = 464,314.40

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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.