Home / 1,235,998.20-1,853,997.30-763,606.20

Finding the Fourth Proportional to 1,235,998.20, 1,853,997.30 and 763,606.20

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Solution

The fourth proportional to 1,235,998.20, 1,853,997.30 and 763,606.20 is: 1,145,409.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,998.20 : 1,853,997.30 = 763,606.20 : x
  2. Step 2: Convert to fraction form
    1,235,998.20/1,853,997.30 = 763,606.20/x
  3. Step 3: Cross multiply
    1,235,998.20x = 1,853,997.30 × 763,606.20
  4. Step 4: Simplify right side
    1,235,998.20x = 1,415,723,833,063.26
  5. Step 5: Solve for x
    x = 1,415,723,833,063.26/1,235,998.20
  6. Step 6: Final answer
    x = 1,145,409.30

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Double scale
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Similar ratio
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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.