Home / 941,639.40-1,412,459.10-231,658.20

Finding the Fourth Proportional to 941,639.40, 1,412,459.10 and 231,658.20

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Solution

The fourth proportional to 941,639.40, 1,412,459.10 and 231,658.20 is: 347,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,639.40 : 1,412,459.10 = 231,658.20 : x
  2. Step 2: Convert to fraction form
    941,639.40/1,412,459.10 = 231,658.20/x
  3. Step 3: Cross multiply
    941,639.40x = 1,412,459.10 × 231,658.20
  4. Step 4: Simplify right side
    941,639.40x = 327,207,732,679.62
  5. Step 5: Solve for x
    x = 327,207,732,679.62/941,639.40
  6. Step 6: Final answer
    x = 347,487.30

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Half scale
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Double scale
Find fourth proportional to 941,640.40, 1,412,460.60 and 231,659.20
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.