Home / 526,811.24-726,999.42-285,093.81

Finding the Fourth Proportional to 526,811.24, 726,999.42 and 285,093.81

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Solution

The fourth proportional to 526,811.24, 726,999.42 and 285,093.81 is: 393,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,811.24 : 726,999.42 = 285,093.81 : x
  2. Step 2: Convert to fraction form
    526,811.24/726,999.42 = 285,093.81/x
  3. Step 3: Cross multiply
    526,811.24x = 726,999.42 × 285,093.81
  4. Step 4: Simplify right side
    526,811.24x = 207,263,029,455.12
  5. Step 5: Solve for x
    x = 207,263,029,455.12/526,811.24
  6. Step 6: Final answer
    x = 393,429.40

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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.