Home / 663,682.38-995,389.65-190,240.62

Finding the Fourth Proportional to 663,682.38, 995,389.65 and 190,240.62

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Solution

The fourth proportional to 663,682.38, 995,389.65 and 190,240.62 is: 285,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,682.38 : 995,389.65 = 190,240.62 : x
  2. Step 2: Convert to fraction form
    663,682.38/995,389.65 = 190,240.62/x
  3. Step 3: Cross multiply
    663,682.38x = 995,389.65 × 190,240.62
  4. Step 4: Simplify right side
    663,682.38x = 189,363,544,157.58
  5. Step 5: Solve for x
    x = 189,363,544,157.58/663,682.38
  6. Step 6: Final answer
    x = 285,322.54

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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.