Home / 939,656.63-1,296,727.05-509,936.85

Finding the Fourth Proportional to 939,656.63, 1,296,727.05 and 509,936.85

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Solution

The fourth proportional to 939,656.63, 1,296,727.05 and 509,936.85 is: 703,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,656.63 : 1,296,727.05 = 509,936.85 : x
  2. Step 2: Convert to fraction form
    939,656.63/1,296,727.05 = 509,936.85/x
  3. Step 3: Cross multiply
    939,656.63x = 1,296,727.05 × 509,936.85
  4. Step 4: Simplify right side
    939,656.63x = 661,248,907,186.79
  5. Step 5: Solve for x
    x = 661,248,907,186.79/939,656.63
  6. Step 6: Final answer
    x = 703,713.35

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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.