Home / 1,616,764.41-2,424,169.78-644,278.28

Finding the Fourth Proportional to 1,616,764.41, 2,424,169.78 and 644,278.28

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Solution

The fourth proportional to 1,616,764.41, 2,424,169.78 and 644,278.28 is: 966,028.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,764.41 : 2,424,169.78 = 644,278.28 : x
  2. Step 2: Convert to fraction form
    1,616,764.41/2,424,169.78 = 644,278.28/x
  3. Step 3: Cross multiply
    1,616,764.41x = 2,424,169.78 × 644,278.28
  4. Step 4: Simplify right side
    1,616,764.41x = 1,561,839,938,002.82
  5. Step 5: Solve for x
    x = 1,561,839,938,002.82/1,616,764.41
  6. Step 6: Final answer
    x = 966,028.16

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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.