Home / 1,404,965.56-2,107,374.12-394,157.92

Finding the Fourth Proportional to 1,404,965.56, 2,107,374.12 and 394,157.92

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Solution

The fourth proportional to 1,404,965.56, 2,107,374.12 and 394,157.92 is: 591,216.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,965.56 : 2,107,374.12 = 394,157.92 : x
  2. Step 2: Convert to fraction form
    1,404,965.56/2,107,374.12 = 394,157.92/x
  3. Step 3: Cross multiply
    1,404,965.56x = 2,107,374.12 × 394,157.92
  4. Step 4: Simplify right side
    1,404,965.56x = 830,638,199,801.03
  5. Step 5: Solve for x
    x = 830,638,199,801.03/1,404,965.56
  6. Step 6: Final answer
    x = 591,216.06

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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.