Home / 939,837.66-1,296,941.18-510,108.56

Finding the Fourth Proportional to 939,837.66, 1,296,941.18 and 510,108.56

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Solution

The fourth proportional to 939,837.66, 1,296,941.18 and 510,108.56 is: 703,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,837.66 : 1,296,941.18 = 510,108.56 : x
  2. Step 2: Convert to fraction form
    939,837.66/1,296,941.18 = 510,108.56/x
  3. Step 3: Cross multiply
    939,837.66x = 1,296,941.18 × 510,108.56
  4. Step 4: Simplify right side
    939,837.66x = 661,580,797,734.50
  5. Step 5: Solve for x
    x = 661,580,797,734.50/939,837.66
  6. Step 6: Final answer
    x = 703,930.93

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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.