Home / 741,100.38-1,022,726.54-435,180.39

Finding the Fourth Proportional to 741,100.38, 1,022,726.54 and 435,180.39

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Solution

The fourth proportional to 741,100.38, 1,022,726.54 and 435,180.39 is: 600,553.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,100.38 : 1,022,726.54 = 435,180.39 : x
  2. Step 2: Convert to fraction form
    741,100.38/1,022,726.54 = 435,180.39/x
  3. Step 3: Cross multiply
    741,100.38x = 1,022,726.54 × 435,180.39
  4. Step 4: Simplify right side
    741,100.38x = 445,070,532,364.65
  5. Step 5: Solve for x
    x = 445,070,532,364.65/741,100.38
  6. Step 6: Final answer
    x = 600,553.64

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Half scale
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Double scale
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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.