Home / 743,109.35-1,025,496.92-403,580.03

Finding the Fourth Proportional to 743,109.35, 1,025,496.92 and 403,580.03

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Solution

The fourth proportional to 743,109.35, 1,025,496.92 and 403,580.03 is: 556,943.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,109.35 : 1,025,496.92 = 403,580.03 : x
  2. Step 2: Convert to fraction form
    743,109.35/1,025,496.92 = 403,580.03/x
  3. Step 3: Cross multiply
    743,109.35x = 1,025,496.92 × 403,580.03
  4. Step 4: Simplify right side
    743,109.35x = 413,870,073,619.97
  5. Step 5: Solve for x
    x = 413,870,073,619.97/743,109.35
  6. Step 6: Final answer
    x = 556,943.71

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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.