Home / 939,577.22-1,296,620.05-509,857.44

Finding the Fourth Proportional to 939,577.22, 1,296,620.05 and 509,857.44

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Solution

The fourth proportional to 939,577.22, 1,296,620.05 and 509,857.44 is: 703,605.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,577.22 : 1,296,620.05 = 509,857.44 : x
  2. Step 2: Convert to fraction form
    939,577.22/1,296,620.05 = 509,857.44/x
  3. Step 3: Cross multiply
    939,577.22x = 1,296,620.05 × 509,857.44
  4. Step 4: Simplify right side
    939,577.22x = 661,091,379,345.67
  5. Step 5: Solve for x
    x = 661,091,379,345.67/939,577.22
  6. Step 6: Final answer
    x = 703,605.16

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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.