Home / 810,936.54-1,216,277.10-271,188.66

Finding the Fourth Proportional to 810,936.54, 1,216,277.10 and 271,188.66

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Solution

The fourth proportional to 810,936.54, 1,216,277.10 and 271,188.66 is: 406,740.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,936.54 : 1,216,277.10 = 271,188.66 : x
  2. Step 2: Convert to fraction form
    810,936.54/1,216,277.10 = 271,188.66/x
  3. Step 3: Cross multiply
    810,936.54x = 1,216,277.10 × 271,188.66
  4. Step 4: Simplify right side
    810,936.54x = 329,840,556,937.69
  5. Step 5: Solve for x
    x = 329,840,556,937.69/810,936.54
  6. Step 6: Final answer
    x = 406,740.28

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Double scale
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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.