Home / 708,116.96-1,061,770.44-328,842.56

Finding the Fourth Proportional to 708,116.96, 1,061,770.44 and 328,842.56

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Solution

The fourth proportional to 708,116.96, 1,061,770.44 and 328,842.56 is: 493,075.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,116.96 : 1,061,770.44 = 328,842.56 : x
  2. Step 2: Convert to fraction form
    708,116.96/1,061,770.44 = 328,842.56/x
  3. Step 3: Cross multiply
    708,116.96x = 1,061,770.44 × 328,842.56
  4. Step 4: Simplify right side
    708,116.96x = 349,155,309,621.93
  5. Step 5: Solve for x
    x = 349,155,309,621.93/708,116.96
  6. Step 6: Final answer
    x = 493,075.76

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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.