Home / 939,657.33-1,296,727.97-509,937.48

Finding the Fourth Proportional to 939,657.33, 1,296,727.97 and 509,937.48

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Solution

The fourth proportional to 939,657.33, 1,296,727.97 and 509,937.48 is: 703,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,657.33 : 1,296,727.97 = 509,937.48 : x
  2. Step 2: Convert to fraction form
    939,657.33/1,296,727.97 = 509,937.48/x
  3. Step 3: Cross multiply
    939,657.33x = 1,296,727.97 × 509,937.48
  4. Step 4: Simplify right side
    939,657.33x = 661,250,190,717.63
  5. Step 5: Solve for x
    x = 661,250,190,717.63/939,657.33
  6. Step 6: Final answer
    x = 703,714.18

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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.