Home / 503,824.82-695,158.86-285,985.04

Finding the Fourth Proportional to 503,824.82, 695,158.86 and 285,985.04

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Solution

The fourth proportional to 503,824.82, 695,158.86 and 285,985.04 is: 394,591.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,824.82 : 695,158.86 = 285,985.04 : x
  2. Step 2: Convert to fraction form
    503,824.82/695,158.86 = 285,985.04/x
  3. Step 3: Cross multiply
    503,824.82x = 695,158.86 × 285,985.04
  4. Step 4: Simplify right side
    503,824.82x = 198,805,034,383.45
  5. Step 5: Solve for x
    x = 198,805,034,383.45/503,824.82
  6. Step 6: Final answer
    x = 394,591.59

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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.