Home / 1,296,257.99-1,944,331.59-443,405.90

Finding the Fourth Proportional to 1,296,257.99, 1,944,331.59 and 443,405.90

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Solution

The fourth proportional to 1,296,257.99, 1,944,331.59 and 443,405.90 is: 665,089.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,257.99 : 1,944,331.59 = 443,405.90 : x
  2. Step 2: Convert to fraction form
    1,296,257.99/1,944,331.59 = 443,405.90/x
  3. Step 3: Cross multiply
    1,296,257.99x = 1,944,331.59 × 443,405.90
  4. Step 4: Simplify right side
    1,296,257.99x = 862,128,098,562.38
  5. Step 5: Solve for x
    x = 862,128,098,562.38/1,296,257.99
  6. Step 6: Final answer
    x = 665,089.90

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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.