Home / 805,195.65-1,208,336.72-331,870.53

Finding the Fourth Proportional to 805,195.65, 1,208,336.72 and 331,870.53

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Solution

The fourth proportional to 805,195.65, 1,208,336.72 and 331,870.53 is: 498,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,195.65 : 1,208,336.72 = 331,870.53 : x
  2. Step 2: Convert to fraction form
    805,195.65/1,208,336.72 = 331,870.53/x
  3. Step 3: Cross multiply
    805,195.65x = 1,208,336.72 × 331,870.53
  4. Step 4: Simplify right side
    805,195.65x = 401,011,347,684.86
  5. Step 5: Solve for x
    x = 401,011,347,684.86/805,195.65
  6. Step 6: Final answer
    x = 498,029.70

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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.