Home / 1,136,376.56-1,704,121.86-426,017

Finding the Fourth Proportional to 1,136,376.56, 1,704,121.86 and 426,017

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Solution

The fourth proportional to 1,136,376.56, 1,704,121.86 and 426,017 is: 638,859.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,376.56 : 1,704,121.86 = 426,017 : x
  2. Step 2: Convert to fraction form
    1,136,376.56/1,704,121.86 = 426,017/x
  3. Step 3: Cross multiply
    1,136,376.56x = 1,704,121.86 × 426,017
  4. Step 4: Simplify right side
    1,136,376.56x = 725,984,882,431.62
  5. Step 5: Solve for x
    x = 725,984,882,431.62/1,136,376.56
  6. Step 6: Final answer
    x = 638,859.43

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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.