Home / 939,566.66-1,296,605.43-509,846.78

Finding the Fourth Proportional to 939,566.66, 1,296,605.43 and 509,846.78

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Solution

The fourth proportional to 939,566.66, 1,296,605.43 and 509,846.78 is: 703,590.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,566.66 : 1,296,605.43 = 509,846.78 : x
  2. Step 2: Convert to fraction form
    939,566.66/1,296,605.43 = 509,846.78/x
  3. Step 3: Cross multiply
    939,566.66x = 1,296,605.43 × 509,846.78
  4. Step 4: Simplify right side
    939,566.66x = 661,070,096,932.99
  5. Step 5: Solve for x
    x = 661,070,096,932.99/939,566.66
  6. Step 6: Final answer
    x = 703,590.42

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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.