Home / 735,321.60-1,103,014.80-415,468.80

Finding the Fourth Proportional to 735,321.60, 1,103,014.80 and 415,468.80

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Solution

The fourth proportional to 735,321.60, 1,103,014.80 and 415,468.80 is: 623,221.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,321.60 : 1,103,014.80 = 415,468.80 : x
  2. Step 2: Convert to fraction form
    735,321.60/1,103,014.80 = 415,468.80/x
  3. Step 3: Cross multiply
    735,321.60x = 1,103,014.80 × 415,468.80
  4. Step 4: Simplify right side
    735,321.60x = 458,268,235,338.24
  5. Step 5: Solve for x
    x = 458,268,235,338.24/735,321.60
  6. Step 6: Final answer
    x = 623,221.51

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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.