Home / 527,514.15-727,968.55-285,802.73

Finding the Fourth Proportional to 527,514.15, 727,968.55 and 285,802.73

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Solution

The fourth proportional to 527,514.15, 727,968.55 and 285,802.73 is: 394,407.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,514.15 : 727,968.55 = 285,802.73 : x
  2. Step 2: Convert to fraction form
    527,514.15/727,968.55 = 285,802.73/x
  3. Step 3: Cross multiply
    527,514.15x = 727,968.55 × 285,802.73
  4. Step 4: Simplify right side
    527,514.15x = 208,055,398,944.14
  5. Step 5: Solve for x
    x = 208,055,398,944.14/527,514.15
  6. Step 6: Final answer
    x = 394,407.24

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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.