Home / 663,714.38-995,569.68-165,078.38

Finding the Fourth Proportional to 663,714.38, 995,569.68 and 165,078.38

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Solution

The fourth proportional to 663,714.38, 995,569.68 and 165,078.38 is: 247,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,714.38 : 995,569.68 = 165,078.38 : x
  2. Step 2: Convert to fraction form
    663,714.38/995,569.68 = 165,078.38/x
  3. Step 3: Cross multiply
    663,714.38x = 995,569.68 × 165,078.38
  4. Step 4: Simplify right side
    663,714.38x = 164,347,029,951.52
  5. Step 5: Solve for x
    x = 164,347,029,951.52/663,714.38
  6. Step 6: Final answer
    x = 247,617.10

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Similar ratio
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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.