Home / 939,843.76-1,296,949.64-510,114.74

Finding the Fourth Proportional to 939,843.76, 1,296,949.64 and 510,114.74

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Solution

The fourth proportional to 939,843.76, 1,296,949.64 and 510,114.74 is: 703,939.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,843.76 : 1,296,949.64 = 510,114.74 : x
  2. Step 2: Convert to fraction form
    939,843.76/1,296,949.64 = 510,114.74/x
  3. Step 3: Cross multiply
    939,843.76x = 1,296,949.64 × 510,114.74
  4. Step 4: Simplify right side
    939,843.76x = 661,593,128,401.69
  5. Step 5: Solve for x
    x = 661,593,128,401.69/939,843.76
  6. Step 6: Final answer
    x = 703,939.48

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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.