Home / 715,171.44-1,072,732.80-335,880.02

Finding the Fourth Proportional to 715,171.44, 1,072,732.80 and 335,880.02

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Solution

The fourth proportional to 715,171.44, 1,072,732.80 and 335,880.02 is: 503,808.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,171.44 : 1,072,732.80 = 335,880.02 : x
  2. Step 2: Convert to fraction form
    715,171.44/1,072,732.80 = 335,880.02/x
  3. Step 3: Cross multiply
    715,171.44x = 1,072,732.80 × 335,880.02
  4. Step 4: Simplify right side
    715,171.44x = 360,309,514,318.66
  5. Step 5: Solve for x
    x = 360,309,514,318.66/715,171.44
  6. Step 6: Final answer
    x = 503,808.59

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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.