Home / 996,421.40-1,494,632.10-677,556.80

Finding the Fourth Proportional to 996,421.40, 1,494,632.10 and 677,556.80

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Solution

The fourth proportional to 996,421.40, 1,494,632.10 and 677,556.80 is: 1,016,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,421.40 : 1,494,632.10 = 677,556.80 : x
  2. Step 2: Convert to fraction form
    996,421.40/1,494,632.10 = 677,556.80/x
  3. Step 3: Cross multiply
    996,421.40x = 1,494,632.10 × 677,556.80
  4. Step 4: Simplify right side
    996,421.40x = 1,012,698,142,853.28
  5. Step 5: Solve for x
    x = 1,012,698,142,853.28/996,421.40
  6. Step 6: Final answer
    x = 1,016,335.20

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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.