Home / 939,834.15-1,296,936.36-510,105.06

Finding the Fourth Proportional to 939,834.15, 1,296,936.36 and 510,105.06

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Solution

The fourth proportional to 939,834.15, 1,296,936.36 and 510,105.06 is: 703,926.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,834.15 : 1,296,936.36 = 510,105.06 : x
  2. Step 2: Convert to fraction form
    939,834.15/1,296,936.36 = 510,105.06/x
  3. Step 3: Cross multiply
    939,834.15x = 1,296,936.36 × 510,105.06
  4. Step 4: Simplify right side
    939,834.15x = 661,573,799,733.98
  5. Step 5: Solve for x
    x = 661,573,799,733.98/939,834.15
  6. Step 6: Final answer
    x = 703,926.11

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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.