Home / 939,826.90-1,296,926.36-510,097.82

Finding the Fourth Proportional to 939,826.90, 1,296,926.36 and 510,097.82

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Solution

The fourth proportional to 939,826.90, 1,296,926.36 and 510,097.82 is: 703,916.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,826.90 : 1,296,926.36 = 510,097.82 : x
  2. Step 2: Convert to fraction form
    939,826.90/1,296,926.36 = 510,097.82/x
  3. Step 3: Cross multiply
    939,826.90x = 1,296,926.36 × 510,097.82
  4. Step 4: Simplify right side
    939,826.90x = 661,559,308,936.54
  5. Step 5: Solve for x
    x = 661,559,308,936.54/939,826.90
  6. Step 6: Final answer
    x = 703,916.12

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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.