Home / 1,173,581.31-1,760,371.96-640,811.71

Finding the Fourth Proportional to 1,173,581.31, 1,760,371.96 and 640,811.71

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Solution

The fourth proportional to 1,173,581.31, 1,760,371.96 and 640,811.71 is: 961,217.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,581.31 : 1,760,371.96 = 640,811.71 : x
  2. Step 2: Convert to fraction form
    1,173,581.31/1,760,371.96 = 640,811.71/x
  3. Step 3: Cross multiply
    1,173,581.31x = 1,760,371.96 × 640,811.71
  4. Step 4: Simplify right side
    1,173,581.31x = 1,128,066,959,623.80
  5. Step 5: Solve for x
    x = 1,128,066,959,623.80/1,173,581.31
  6. Step 6: Final answer
    x = 961,217.56

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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.