Home / 1,115,636.36-1,539,578.32-606,338.72

Finding the Fourth Proportional to 1,115,636.36, 1,539,578.32 and 606,338.72

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Solution

The fourth proportional to 1,115,636.36, 1,539,578.32 and 606,338.72 is: 836,747.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,636.36 : 1,539,578.32 = 606,338.72 : x
  2. Step 2: Convert to fraction form
    1,115,636.36/1,539,578.32 = 606,338.72/x
  3. Step 3: Cross multiply
    1,115,636.36x = 1,539,578.32 × 606,338.72
  4. Step 4: Simplify right side
    1,115,636.36x = 933,505,947,888.55
  5. Step 5: Solve for x
    x = 933,505,947,888.55/1,115,636.36
  6. Step 6: Final answer
    x = 836,747.51

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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.