Home / 1,426,754.70-1,968,899.13-782,180.19

Finding the Fourth Proportional to 1,426,754.70, 1,968,899.13 and 782,180.19

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Solution

The fourth proportional to 1,426,754.70, 1,968,899.13 and 782,180.19 is: 1,079,396.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,754.70 : 1,968,899.13 = 782,180.19 : x
  2. Step 2: Convert to fraction form
    1,426,754.70/1,968,899.13 = 782,180.19/x
  3. Step 3: Cross multiply
    1,426,754.70x = 1,968,899.13 × 782,180.19
  4. Step 4: Simplify right side
    1,426,754.70x = 1,540,033,895,594.23
  5. Step 5: Solve for x
    x = 1,540,033,895,594.23/1,426,754.70
  6. Step 6: Final answer
    x = 1,079,396.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.