Home / 958,490.90-1,322,721.73-522,906.93

Finding the Fourth Proportional to 958,490.90, 1,322,721.73 and 522,906.93

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Solution

The fourth proportional to 958,490.90, 1,322,721.73 and 522,906.93 is: 721,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,490.90 : 1,322,721.73 = 522,906.93 : x
  2. Step 2: Convert to fraction form
    958,490.90/1,322,721.73 = 522,906.93/x
  3. Step 3: Cross multiply
    958,490.90x = 1,322,721.73 × 522,906.93
  4. Step 4: Simplify right side
    958,490.90x = 691,660,359,078.59
  5. Step 5: Solve for x
    x = 691,660,359,078.59/958,490.90
  6. Step 6: Final answer
    x = 721,613.90

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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.