Home / 526,837.53-727,035.84-285,121.86

Finding the Fourth Proportional to 526,837.53, 727,035.84 and 285,121.86

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Solution

The fourth proportional to 526,837.53, 727,035.84 and 285,121.86 is: 393,468.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,837.53 : 727,035.84 = 285,121.86 : x
  2. Step 2: Convert to fraction form
    526,837.53/727,035.84 = 285,121.86/x
  3. Step 3: Cross multiply
    526,837.53x = 727,035.84 × 285,121.86
  4. Step 4: Simplify right side
    526,837.53x = 207,293,810,987.46
  5. Step 5: Solve for x
    x = 207,293,810,987.46/526,837.53
  6. Step 6: Final answer
    x = 393,468.19

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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.