Home / 1,235,896.60-1,853,844.90-394,533.40

Finding the Fourth Proportional to 1,235,896.60, 1,853,844.90 and 394,533.40

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Solution

The fourth proportional to 1,235,896.60, 1,853,844.90 and 394,533.40 is: 591,800.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,896.60 : 1,853,844.90 = 394,533.40 : x
  2. Step 2: Convert to fraction form
    1,235,896.60/1,853,844.90 = 394,533.40/x
  3. Step 3: Cross multiply
    1,235,896.60x = 1,853,844.90 × 394,533.40
  4. Step 4: Simplify right side
    1,235,896.60x = 731,403,731,469.66
  5. Step 5: Solve for x
    x = 731,403,731,469.66/1,235,896.60
  6. Step 6: Final answer
    x = 591,800.10

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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.