Home / 1,226,579.49-1,839,739.77-328,111.92

Finding the Fourth Proportional to 1,226,579.49, 1,839,739.77 and 328,111.92

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Solution

The fourth proportional to 1,226,579.49, 1,839,739.77 and 328,111.92 is: 492,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,579.49 : 1,839,739.77 = 328,111.92 : x
  2. Step 2: Convert to fraction form
    1,226,579.49/1,839,739.77 = 328,111.92/x
  3. Step 3: Cross multiply
    1,226,579.49x = 1,839,739.77 × 328,111.92
  4. Step 4: Simplify right side
    1,226,579.49x = 603,640,548,235.06
  5. Step 5: Solve for x
    x = 603,640,548,235.06/1,226,579.49
  6. Step 6: Final answer
    x = 492,133.25

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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.