Home / 756,279.82-1,043,673.15-416,760.22

Finding the Fourth Proportional to 756,279.82, 1,043,673.15 and 416,760.22

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Solution

The fourth proportional to 756,279.82, 1,043,673.15 and 416,760.22 is: 575,132.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,279.82 : 1,043,673.15 = 416,760.22 : x
  2. Step 2: Convert to fraction form
    756,279.82/1,043,673.15 = 416,760.22/x
  3. Step 3: Cross multiply
    756,279.82x = 1,043,673.15 × 416,760.22
  4. Step 4: Simplify right side
    756,279.82x = 434,961,451,602.09
  5. Step 5: Solve for x
    x = 434,961,451,602.09/756,279.82
  6. Step 6: Final answer
    x = 575,132.96

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1.5x scale

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.