Home / 839,794.66-1,260,419.88-440,717.38

Finding the Fourth Proportional to 839,794.66, 1,260,419.88 and 440,717.38

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Solution

The fourth proportional to 839,794.66, 1,260,419.88 and 440,717.38 is: 661,458.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,794.66 : 1,260,419.88 = 440,717.38 : x
  2. Step 2: Convert to fraction form
    839,794.66/1,260,419.88 = 440,717.38/x
  3. Step 3: Cross multiply
    839,794.66x = 1,260,419.88 × 440,717.38
  4. Step 4: Simplify right side
    839,794.66x = 555,488,947,213.51
  5. Step 5: Solve for x
    x = 555,488,947,213.51/839,794.66
  6. Step 6: Final answer
    x = 661,458.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.