Home / 939,577.73-1,296,620.75-509,857.94

Finding the Fourth Proportional to 939,577.73, 1,296,620.75 and 509,857.94

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Solution

The fourth proportional to 939,577.73, 1,296,620.75 and 509,857.94 is: 703,605.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,577.73 : 1,296,620.75 = 509,857.94 : x
  2. Step 2: Convert to fraction form
    939,577.73/1,296,620.75 = 509,857.94/x
  3. Step 3: Cross multiply
    939,577.73x = 1,296,620.75 × 509,857.94
  4. Step 4: Simplify right side
    939,577.73x = 661,092,375,523.86
  5. Step 5: Solve for x
    x = 661,092,375,523.86/939,577.73
  6. Step 6: Final answer
    x = 703,605.84

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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.