Home / 1,591,420.44-2,387,107.42-393,342.89

Finding the Fourth Proportional to 1,591,420.44, 2,387,107.42 and 393,342.89

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Solution

The fourth proportional to 1,591,420.44, 2,387,107.42 and 393,342.89 is: 590,008.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,420.44 : 2,387,107.42 = 393,342.89 : x
  2. Step 2: Convert to fraction form
    1,591,420.44/2,387,107.42 = 393,342.89/x
  3. Step 3: Cross multiply
    1,591,420.44x = 2,387,107.42 × 393,342.89
  4. Step 4: Simplify right side
    1,591,420.44x = 938,951,721,170.02
  5. Step 5: Solve for x
    x = 938,951,721,170.02/1,591,420.44
  6. Step 6: Final answer
    x = 590,008.58

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Double scale
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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.