Home / 663,621.75-995,436.41-164,985.75

Finding the Fourth Proportional to 663,621.75, 995,436.41 and 164,985.75

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Solution

The fourth proportional to 663,621.75, 995,436.41 and 164,985.75 is: 247,479.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,621.75 : 995,436.41 = 164,985.75 : x
  2. Step 2: Convert to fraction form
    663,621.75/995,436.41 = 164,985.75/x
  3. Step 3: Cross multiply
    663,621.75x = 995,436.41 × 164,985.75
  4. Step 4: Simplify right side
    663,621.75x = 164,232,821,856.23
  5. Step 5: Solve for x
    x = 164,232,821,856.23/663,621.75
  6. Step 6: Final answer
    x = 247,479.56

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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.