Home / 1,899,519.64-2,849,321.48-685,193.36

Finding the Fourth Proportional to 1,899,519.64, 2,849,321.48 and 685,193.36

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Solution

The fourth proportional to 1,899,519.64, 2,849,321.48 and 685,193.36 is: 1,027,805.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,519.64 : 2,849,321.48 = 685,193.36 : x
  2. Step 2: Convert to fraction form
    1,899,519.64/2,849,321.48 = 685,193.36/x
  3. Step 3: Cross multiply
    1,899,519.64x = 2,849,321.48 × 685,193.36
  4. Step 4: Simplify right side
    1,899,519.64x = 1,952,336,140,928.80
  5. Step 5: Solve for x
    x = 1,952,336,140,928.80/1,899,519.64
  6. Step 6: Final answer
    x = 1,027,805.19

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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.