Home / 1,293,428.68-1,940,443.52-440,507.73

Finding the Fourth Proportional to 1,293,428.68, 1,940,443.52 and 440,507.73

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Solution

The fourth proportional to 1,293,428.68, 1,940,443.52 and 440,507.73 is: 660,863.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,428.68 : 1,940,443.52 = 440,507.73 : x
  2. Step 2: Convert to fraction form
    1,293,428.68/1,940,443.52 = 440,507.73/x
  3. Step 3: Cross multiply
    1,293,428.68x = 1,940,443.52 × 440,507.73
  4. Step 4: Simplify right side
    1,293,428.68x = 854,780,375,262.53
  5. Step 5: Solve for x
    x = 854,780,375,262.53/1,293,428.68
  6. Step 6: Final answer
    x = 660,863.94

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1.5x scale

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.