Home / 1,929,809.25-2,661,393.63-1,204,723.98

Finding the Fourth Proportional to 1,929,809.25, 2,661,393.63 and 1,204,723.98

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Solution

The fourth proportional to 1,929,809.25, 2,661,393.63 and 1,204,723.98 is: 1,661,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,809.25 : 2,661,393.63 = 1,204,723.98 : x
  2. Step 2: Convert to fraction form
    1,929,809.25/2,661,393.63 = 1,204,723.98/x
  3. Step 3: Cross multiply
    1,929,809.25x = 2,661,393.63 × 1,204,723.98
  4. Step 4: Simplify right side
    1,929,809.25x = 3,206,244,726,280.25
  5. Step 5: Solve for x
    x = 3,206,244,726,280.25/1,929,809.25
  6. Step 6: Final answer
    x = 1,661,430.90

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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.