Home / 836,786.79-1,154,790.12-474,198.59

Finding the Fourth Proportional to 836,786.79, 1,154,790.12 and 474,198.59

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Solution

The fourth proportional to 836,786.79, 1,154,790.12 and 474,198.59 is: 654,407.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,786.79 : 1,154,790.12 = 474,198.59 : x
  2. Step 2: Convert to fraction form
    836,786.79/1,154,790.12 = 474,198.59/x
  3. Step 3: Cross multiply
    836,786.79x = 1,154,790.12 × 474,198.59
  4. Step 4: Simplify right side
    836,786.79x = 547,599,846,649.93
  5. Step 5: Solve for x
    x = 547,599,846,649.93/836,786.79
  6. Step 6: Final answer
    x = 654,407.85

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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.