Home / 826,051.70-1,239,077.64-293,593.79

Finding the Fourth Proportional to 826,051.70, 1,239,077.64 and 293,593.79

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Solution

The fourth proportional to 826,051.70, 1,239,077.64 and 293,593.79 is: 440,390.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,051.70 : 1,239,077.64 = 293,593.79 : x
  2. Step 2: Convert to fraction form
    826,051.70/1,239,077.64 = 293,593.79/x
  3. Step 3: Cross multiply
    826,051.70x = 1,239,077.64 × 293,593.79
  4. Step 4: Simplify right side
    826,051.70x = 363,785,500,431.86
  5. Step 5: Solve for x
    x = 363,785,500,431.86/826,051.70
  6. Step 6: Final answer
    x = 440,390.72

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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.