Home / 741,130.05-1,111,422.75-254,674.23

Finding the Fourth Proportional to 741,130.05, 1,111,422.75 and 254,674.23

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Solution

The fourth proportional to 741,130.05, 1,111,422.75 and 254,674.23 is: 381,917.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,130.05 : 1,111,422.75 = 254,674.23 : x
  2. Step 2: Convert to fraction form
    741,130.05/1,111,422.75 = 254,674.23/x
  3. Step 3: Cross multiply
    741,130.05x = 1,111,422.75 × 254,674.23
  4. Step 4: Simplify right side
    741,130.05x = 283,050,733,060.73
  5. Step 5: Solve for x
    x = 283,050,733,060.73/741,130.05
  6. Step 6: Final answer
    x = 381,917.77

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Double scale
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Similar ratio
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1.5x scale

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.