Home / 939,738.84-1,296,828.81-510,019.26

Finding the Fourth Proportional to 939,738.84, 1,296,828.81 and 510,019.26

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Solution

The fourth proportional to 939,738.84, 1,296,828.81 and 510,019.26 is: 703,820.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,738.84 : 1,296,828.81 = 510,019.26 : x
  2. Step 2: Convert to fraction form
    939,738.84/1,296,828.81 = 510,019.26/x
  3. Step 3: Cross multiply
    939,738.84x = 1,296,828.81 × 510,019.26
  4. Step 4: Simplify right side
    939,738.84x = 661,407,670,022.88
  5. Step 5: Solve for x
    x = 661,407,670,022.88/939,738.84
  6. Step 6: Final answer
    x = 703,820.72

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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.