Home / 715,055.92-1,072,063.84-335,781.22

Finding the Fourth Proportional to 715,055.92, 1,072,063.84 and 335,781.22

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Solution

The fourth proportional to 715,055.92, 1,072,063.84 and 335,781.22 is: 503,427.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,055.92 : 1,072,063.84 = 335,781.22 : x
  2. Step 2: Convert to fraction form
    715,055.92/1,072,063.84 = 335,781.22/x
  3. Step 3: Cross multiply
    715,055.92x = 1,072,063.84 × 335,781.22
  4. Step 4: Simplify right side
    715,055.92x = 359,978,904,113.09
  5. Step 5: Solve for x
    x = 359,978,904,113.09/715,055.92
  6. Step 6: Final answer
    x = 503,427.63

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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.