Home / 664,005.60-995,911.20-190,641.60

Finding the Fourth Proportional to 664,005.60, 995,911.20 and 190,641.60

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Solution

The fourth proportional to 664,005.60, 995,911.20 and 190,641.60 is: 285,934.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,005.60 : 995,911.20 = 190,641.60 : x
  2. Step 2: Convert to fraction form
    664,005.60/995,911.20 = 190,641.60/x
  3. Step 3: Cross multiply
    664,005.60x = 995,911.20 × 190,641.60
  4. Step 4: Simplify right side
    664,005.60x = 189,862,104,625.92
  5. Step 5: Solve for x
    x = 189,862,104,625.92/664,005.60
  6. Step 6: Final answer
    x = 285,934.49

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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.