Home / 527,477.06-727,918.65-285,761.32

Finding the Fourth Proportional to 527,477.06, 727,918.65 and 285,761.32

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Solution

The fourth proportional to 527,477.06, 727,918.65 and 285,761.32 is: 394,350.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,477.06 : 727,918.65 = 285,761.32 : x
  2. Step 2: Convert to fraction form
    527,477.06/727,918.65 = 285,761.32/x
  3. Step 3: Cross multiply
    527,477.06x = 727,918.65 × 285,761.32
  4. Step 4: Simplify right side
    527,477.06x = 208,010,992,456.82
  5. Step 5: Solve for x
    x = 208,010,992,456.82/527,477.06
  6. Step 6: Final answer
    x = 394,350.78

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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.