Home / 765,906.60-1,148,859.90-197,286.60

Finding the Fourth Proportional to 765,906.60, 1,148,859.90 and 197,286.60

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Solution

The fourth proportional to 765,906.60, 1,148,859.90 and 197,286.60 is: 295,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,906.60 : 1,148,859.90 = 197,286.60 : x
  2. Step 2: Convert to fraction form
    765,906.60/1,148,859.90 = 197,286.60/x
  3. Step 3: Cross multiply
    765,906.60x = 1,148,859.90 × 197,286.60
  4. Step 4: Simplify right side
    765,906.60x = 226,654,663,547.34
  5. Step 5: Solve for x
    x = 226,654,663,547.34/765,906.60
  6. Step 6: Final answer
    x = 295,929.90

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Double scale
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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.