Home / 708,115.96-1,061,768.94-328,841.56

Finding the Fourth Proportional to 708,115.96, 1,061,768.94 and 328,841.56

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Solution

The fourth proportional to 708,115.96, 1,061,768.94 and 328,841.56 is: 493,074.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,115.96 : 1,061,768.94 = 328,841.56 : x
  2. Step 2: Convert to fraction form
    708,115.96/1,061,768.94 = 328,841.56/x
  3. Step 3: Cross multiply
    708,115.96x = 1,061,768.94 × 328,841.56
  4. Step 4: Simplify right side
    708,115.96x = 349,153,754,589.15
  5. Step 5: Solve for x
    x = 349,153,754,589.15/708,115.96
  6. Step 6: Final answer
    x = 493,074.26

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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.