Home / 948,385.22-1,422,603.75-317,276.42

Finding the Fourth Proportional to 948,385.22, 1,422,603.75 and 317,276.42

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Solution

The fourth proportional to 948,385.22, 1,422,603.75 and 317,276.42 is: 475,923.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,385.22 : 1,422,603.75 = 317,276.42 : x
  2. Step 2: Convert to fraction form
    948,385.22/1,422,603.75 = 317,276.42/x
  3. Step 3: Cross multiply
    948,385.22x = 1,422,603.75 × 317,276.42
  4. Step 4: Simplify right side
    948,385.22x = 451,358,624,878.58
  5. Step 5: Solve for x
    x = 451,358,624,878.58/948,385.22
  6. Step 6: Final answer
    x = 475,923.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.