Home / 527,522.40-727,979.94-285,811.14

Finding the Fourth Proportional to 527,522.40, 727,979.94 and 285,811.14

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Solution

The fourth proportional to 527,522.40, 727,979.94 and 285,811.14 is: 394,418.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,522.40 : 727,979.94 = 285,811.14 : x
  2. Step 2: Convert to fraction form
    527,522.40/727,979.94 = 285,811.14/x
  3. Step 3: Cross multiply
    527,522.40x = 727,979.94 × 285,811.14
  4. Step 4: Simplify right side
    527,522.40x = 208,064,776,548.53
  5. Step 5: Solve for x
    x = 208,064,776,548.53/527,522.40
  6. Step 6: Final answer
    x = 394,418.85

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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.