Home / 335,917.64-502,692.56-209,617.36

Finding the Fourth Proportional to 335,917.64, 502,692.56 and 209,617.36

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Solution

The fourth proportional to 335,917.64, 502,692.56 and 209,617.36 is: 313,687.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,917.64 : 502,692.56 = 209,617.36 : x
  2. Step 2: Convert to fraction form
    335,917.64/502,692.56 = 209,617.36/x
  3. Step 3: Cross multiply
    335,917.64x = 502,692.56 × 209,617.36
  4. Step 4: Simplify right side
    335,917.64x = 105,373,087,318.84
  5. Step 5: Solve for x
    x = 105,373,087,318.84/335,917.64
  6. Step 6: Final answer
    x = 313,687.27

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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.