Home / 837,661.44-1,155,974.40-455,689.92

Finding the Fourth Proportional to 837,661.44, 1,155,974.40 and 455,689.92

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Solution

The fourth proportional to 837,661.44, 1,155,974.40 and 455,689.92 is: 628,852.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,661.44 : 1,155,974.40 = 455,689.92 : x
  2. Step 2: Convert to fraction form
    837,661.44/1,155,974.40 = 455,689.92/x
  3. Step 3: Cross multiply
    837,661.44x = 1,155,974.40 × 455,689.92
  4. Step 4: Simplify right side
    837,661.44x = 526,765,881,858.05
  5. Step 5: Solve for x
    x = 526,765,881,858.05/837,661.44
  6. Step 6: Final answer
    x = 628,852.97

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1.5x scale

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.