Home / 526,829.14-727,026.48-285,111.73

Finding the Fourth Proportional to 526,829.14, 727,026.48 and 285,111.73

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Solution

The fourth proportional to 526,829.14, 727,026.48 and 285,111.73 is: 393,455.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,829.14 : 727,026.48 = 285,111.73 : x
  2. Step 2: Convert to fraction form
    526,829.14/727,026.48 = 285,111.73/x
  3. Step 3: Cross multiply
    526,829.14x = 727,026.48 × 285,111.73
  4. Step 4: Simplify right side
    526,829.14x = 207,283,777,468.61
  5. Step 5: Solve for x
    x = 207,283,777,468.61/526,829.14
  6. Step 6: Final answer
    x = 393,455.41

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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.