Home / 851,241.96-1,174,705.98-464,057.40

Finding the Fourth Proportional to 851,241.96, 1,174,705.98 and 464,057.40

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Solution

The fourth proportional to 851,241.96, 1,174,705.98 and 464,057.40 is: 640,394.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,241.96 : 1,174,705.98 = 464,057.40 : x
  2. Step 2: Convert to fraction form
    851,241.96/1,174,705.98 = 464,057.40/x
  3. Step 3: Cross multiply
    851,241.96x = 1,174,705.98 × 464,057.40
  4. Step 4: Simplify right side
    851,241.96x = 545,131,002,843.25
  5. Step 5: Solve for x
    x = 545,131,002,843.25/851,241.96
  6. Step 6: Final answer
    x = 640,394.89

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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.