Home / 3,073,086.80-4,609,630.20-829,221.20

Finding the Fourth Proportional to 3,073,086.80, 4,609,630.20 and 829,221.20

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Solution

The fourth proportional to 3,073,086.80, 4,609,630.20 and 829,221.20 is: 1,243,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073,086.80 : 4,609,630.20 = 829,221.20 : x
  2. Step 2: Convert to fraction form
    3,073,086.80/4,609,630.20 = 829,221.20/x
  3. Step 3: Cross multiply
    3,073,086.80x = 4,609,630.20 × 829,221.20
  4. Step 4: Simplify right side
    3,073,086.80x = 3,822,403,086,000.24
  5. Step 5: Solve for x
    x = 3,822,403,086,000.24/3,073,086.80
  6. Step 6: Final answer
    x = 1,243,831.80

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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.