Home / 939,826.65-1,296,926.01-510,097.56

Finding the Fourth Proportional to 939,826.65, 1,296,926.01 and 510,097.56

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Solution

The fourth proportional to 939,826.65, 1,296,926.01 and 510,097.56 is: 703,915.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,826.65 : 1,296,926.01 = 510,097.56 : x
  2. Step 2: Convert to fraction form
    939,826.65/1,296,926.01 = 510,097.56/x
  3. Step 3: Cross multiply
    939,826.65x = 1,296,926.01 × 510,097.56
  4. Step 4: Simplify right side
    939,826.65x = 661,558,793,201.54
  5. Step 5: Solve for x
    x = 661,558,793,201.54/939,826.65
  6. Step 6: Final answer
    x = 703,915.76

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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.