Home / 527,296.06-727,667.43-285,577.90

Finding the Fourth Proportional to 527,296.06, 727,667.43 and 285,577.90

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Solution

The fourth proportional to 527,296.06, 727,667.43 and 285,577.90 is: 394,096.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,296.06 : 727,667.43 = 285,577.90 : x
  2. Step 2: Convert to fraction form
    527,296.06/727,667.43 = 285,577.90/x
  3. Step 3: Cross multiply
    527,296.06x = 727,667.43 × 285,577.90
  4. Step 4: Simplify right side
    527,296.06x = 207,805,736,557.80
  5. Step 5: Solve for x
    x = 207,805,736,557.80/527,296.06
  6. Step 6: Final answer
    x = 394,096.89

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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.