Home / 837,579.54-1,155,854.52-455,607.84

Finding the Fourth Proportional to 837,579.54, 1,155,854.52 and 455,607.84

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Solution

The fourth proportional to 837,579.54, 1,155,854.52 and 455,607.84 is: 628,735.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,579.54 : 1,155,854.52 = 455,607.84 : x
  2. Step 2: Convert to fraction form
    837,579.54/1,155,854.52 = 455,607.84/x
  3. Step 3: Cross multiply
    837,579.54x = 1,155,854.52 × 455,607.84
  4. Step 4: Simplify right side
    837,579.54x = 526,616,381,211.44
  5. Step 5: Solve for x
    x = 526,616,381,211.44/837,579.54
  6. Step 6: Final answer
    x = 628,735.97

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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.