Home / 694,491.60-1,040,959.80-395,115.60

Finding the Fourth Proportional to 694,491.60, 1,040,959.80 and 395,115.60

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Solution

The fourth proportional to 694,491.60, 1,040,959.80 and 395,115.60 is: 592,231.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,491.60 : 1,040,959.80 = 395,115.60 : x
  2. Step 2: Convert to fraction form
    694,491.60/1,040,959.80 = 395,115.60/x
  3. Step 3: Cross multiply
    694,491.60x = 1,040,959.80 × 395,115.60
  4. Step 4: Simplify right side
    694,491.60x = 411,299,455,952.88
  5. Step 5: Solve for x
    x = 411,299,455,952.88/694,491.60
  6. Step 6: Final answer
    x = 592,231.00

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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.