Home / 837,736.05-1,156,080.78-455,765.57

Finding the Fourth Proportional to 837,736.05, 1,156,080.78 and 455,765.57

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Solution

The fourth proportional to 837,736.05, 1,156,080.78 and 455,765.57 is: 628,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,736.05 : 1,156,080.78 = 455,765.57 : x
  2. Step 2: Convert to fraction form
    837,736.05/1,156,080.78 = 455,765.57/x
  3. Step 3: Cross multiply
    837,736.05x = 1,156,080.78 × 455,765.57
  4. Step 4: Simplify right side
    837,736.05x = 526,901,809,882.34
  5. Step 5: Solve for x
    x = 526,901,809,882.34/837,736.05
  6. Step 6: Final answer
    x = 628,959.22

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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.