Home / 838,034.82-1,157,841.09-584,517.78

Finding the Fourth Proportional to 838,034.82, 1,157,841.09 and 584,517.78

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Solution

The fourth proportional to 838,034.82, 1,157,841.09 and 584,517.78 is: 807,578.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,034.82 : 1,157,841.09 = 584,517.78 : x
  2. Step 2: Convert to fraction form
    838,034.82/1,157,841.09 = 584,517.78/x
  3. Step 3: Cross multiply
    838,034.82x = 1,157,841.09 × 584,517.78
  4. Step 4: Simplify right side
    838,034.82x = 676,778,703,519.58
  5. Step 5: Solve for x
    x = 676,778,703,519.58/838,034.82
  6. Step 6: Final answer
    x = 807,578.26

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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.