Home / 1,400,999.90-1,933,525.49-857,497.59

Finding the Fourth Proportional to 1,400,999.90, 1,933,525.49 and 857,497.59

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Solution

The fourth proportional to 1,400,999.90, 1,933,525.49 and 857,497.59 is: 1,183,435.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,999.90 : 1,933,525.49 = 857,497.59 : x
  2. Step 2: Convert to fraction form
    1,400,999.90/1,933,525.49 = 857,497.59/x
  3. Step 3: Cross multiply
    1,400,999.90x = 1,933,525.49 × 857,497.59
  4. Step 4: Simplify right side
    1,400,999.90x = 1,657,993,443,591.08
  5. Step 5: Solve for x
    x = 1,657,993,443,591.08/1,400,999.90
  6. Step 6: Final answer
    x = 1,183,435.81

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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.