Home / 494,194.30-681,999.96-279,335.19

Finding the Fourth Proportional to 494,194.30, 681,999.96 and 279,335.19

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Solution

The fourth proportional to 494,194.30, 681,999.96 and 279,335.19 is: 385,489.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,194.30 : 681,999.96 = 279,335.19 : x
  2. Step 2: Convert to fraction form
    494,194.30/681,999.96 = 279,335.19/x
  3. Step 3: Cross multiply
    494,194.30x = 681,999.96 × 279,335.19
  4. Step 4: Simplify right side
    494,194.30x = 190,506,588,406.59
  5. Step 5: Solve for x
    x = 190,506,588,406.59/494,194.30
  6. Step 6: Final answer
    x = 385,489.25

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1.5x scale

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.