Home / 681,467.30-1,022,200.95-415,746.80

Finding the Fourth Proportional to 681,467.30, 1,022,200.95 and 415,746.80

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Solution

The fourth proportional to 681,467.30, 1,022,200.95 and 415,746.80 is: 623,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,467.30 : 1,022,200.95 = 415,746.80 : x
  2. Step 2: Convert to fraction form
    681,467.30/1,022,200.95 = 415,746.80/x
  3. Step 3: Cross multiply
    681,467.30x = 1,022,200.95 × 415,746.80
  4. Step 4: Simplify right side
    681,467.30x = 424,976,773,919.46
  5. Step 5: Solve for x
    x = 424,976,773,919.46/681,467.30
  6. Step 6: Final answer
    x = 623,620.20

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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.