Home / 663,621.36-995,435.59-164,985.36

Finding the Fourth Proportional to 663,621.36, 995,435.59 and 164,985.36

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Solution

The fourth proportional to 663,621.36, 995,435.59 and 164,985.36 is: 247,478.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,621.36 : 995,435.59 = 164,985.36 : x
  2. Step 2: Convert to fraction form
    663,621.36/995,435.59 = 164,985.36/x
  3. Step 3: Cross multiply
    663,621.36x = 995,435.59 × 164,985.36
  4. Step 4: Simplify right side
    663,621.36x = 164,232,299,172.96
  5. Step 5: Solve for x
    x = 164,232,299,172.96/663,621.36
  6. Step 6: Final answer
    x = 247,478.92

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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.