Home / 527,501.06-727,950.43-285,789.67

Finding the Fourth Proportional to 527,501.06, 727,950.43 and 285,789.67

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Solution

The fourth proportional to 527,501.06, 727,950.43 and 285,789.67 is: 394,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,501.06 : 727,950.43 = 285,789.67 : x
  2. Step 2: Convert to fraction form
    527,501.06/727,950.43 = 285,789.67/x
  3. Step 3: Cross multiply
    527,501.06x = 727,950.43 × 285,789.67
  4. Step 4: Simplify right side
    527,501.06x = 208,040,713,166.06
  5. Step 5: Solve for x
    x = 208,040,713,166.06/527,501.06
  6. Step 6: Final answer
    x = 394,389.19

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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.