Home / 1,115,636.34-1,539,578.34-606,338.73

Finding the Fourth Proportional to 1,115,636.34, 1,539,578.34 and 606,338.73

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Solution

The fourth proportional to 1,115,636.34, 1,539,578.34 and 606,338.73 is: 836,747.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,636.34 : 1,539,578.34 = 606,338.73 : x
  2. Step 2: Convert to fraction form
    1,115,636.34/1,539,578.34 = 606,338.73/x
  3. Step 3: Cross multiply
    1,115,636.34x = 1,539,578.34 × 606,338.73
  4. Step 4: Simplify right side
    1,115,636.34x = 933,505,975,411.11
  5. Step 5: Solve for x
    x = 933,505,975,411.11/1,115,636.34
  6. Step 6: Final answer
    x = 836,747.55

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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.