Home / 939,817.71-1,296,949.64-510,097.97

Finding the Fourth Proportional to 939,817.71, 1,296,949.64 and 510,097.97

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Solution

The fourth proportional to 939,817.71, 1,296,949.64 and 510,097.97 is: 703,935.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,817.71 : 1,296,949.64 = 510,097.97 : x
  2. Step 2: Convert to fraction form
    939,817.71/1,296,949.64 = 510,097.97/x
  3. Step 3: Cross multiply
    939,817.71x = 1,296,949.64 × 510,097.97
  4. Step 4: Simplify right side
    939,817.71x = 661,571,379,248.12
  5. Step 5: Solve for x
    x = 661,571,379,248.12/939,817.71
  6. Step 6: Final answer
    x = 703,935.85

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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.