Home / 939,813.15-1,296,943.29-510,093.39

Finding the Fourth Proportional to 939,813.15, 1,296,943.29 and 510,093.39

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Solution

The fourth proportional to 939,813.15, 1,296,943.29 and 510,093.39 is: 703,929.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,813.15 : 1,296,943.29 = 510,093.39 : x
  2. Step 2: Convert to fraction form
    939,813.15/1,296,943.29 = 510,093.39/x
  3. Step 3: Cross multiply
    939,813.15x = 1,296,943.29 × 510,093.39
  4. Step 4: Simplify right side
    939,813.15x = 661,562,199,433.85
  5. Step 5: Solve for x
    x = 661,562,199,433.85/939,813.15
  6. Step 6: Final answer
    x = 703,929.50

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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.