Home / 527,619.36-791,539.76-172,605.56

Finding the Fourth Proportional to 527,619.36, 791,539.76 and 172,605.56

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Solution

The fourth proportional to 527,619.36, 791,539.76 and 172,605.56 is: 258,944.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,619.36 : 791,539.76 = 172,605.56 : x
  2. Step 2: Convert to fraction form
    527,619.36/791,539.76 = 172,605.56/x
  3. Step 3: Cross multiply
    527,619.36x = 791,539.76 × 172,605.56
  4. Step 4: Simplify right side
    527,619.36x = 136,624,163,537.07
  5. Step 5: Solve for x
    x = 136,624,163,537.07/527,619.36
  6. Step 6: Final answer
    x = 258,944.56

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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.