Home / 1,269,817.41-1,752,426.77-839,351.01

Finding the Fourth Proportional to 1,269,817.41, 1,752,426.77 and 839,351.01

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Solution

The fourth proportional to 1,269,817.41, 1,752,426.77 and 839,351.01 is: 1,158,356.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,817.41 : 1,752,426.77 = 839,351.01 : x
  2. Step 2: Convert to fraction form
    1,269,817.41/1,752,426.77 = 839,351.01/x
  3. Step 3: Cross multiply
    1,269,817.41x = 1,752,426.77 × 839,351.01
  4. Step 4: Simplify right side
    1,269,817.41x = 1,470,901,175,153.78
  5. Step 5: Solve for x
    x = 1,470,901,175,153.78/1,269,817.41
  6. Step 6: Final answer
    x = 1,158,356.44

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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.